Celebrity sightings in the nation's capital have begun. The White House Correspondents' Dinner -- being held Saturday night -- is attracting A-list movie stars, hordes of politicians and at least one famous supporter of D.C. voting rights. (What ever happened to D.C.'s Hayden Panettiere Day?).
Keep your eyes open for the big names that are already in town, like actress Kate Walsh, who's blogging about her experience in Washington for USA Today.
Click through the slideshow for some of the confirmed WHCD guests:
2013 White House Correspondents Dinner Celebrities
Conan O'Brien(01 of69)
Headlining the White House Correspondents' Dinner (credit:Getty Images)
Sofia Vergara(02 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is Sofia Vergara, center, Kim Kardashian, left, and Kris Jenner at the White House Correspondents' Association Dinner on Saturday, April 28, 2012, in Washington D.C. (credit:AP)
Barbra Streisand(03 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:AP)
Michael Douglas(04 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:Getty Images)
Jessica Alba (05 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is Jessica Alba speaking as Rep. Nita Lowey (D-NY) listens during a news conference to discuss the 1Goal campaign at the Rayburn House Office Building on April 21, 2010 in Washington, D.C. (credit:Getty Images)
Jon Bon Jovi(06 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:Getty Images)
Scarlett Johansson(07 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is actress Scarlett Johansson speaking to the crowd at the Time Warner Cable Arena in Charlotte, North Carolina, on September 6, 2012 on the final day of the Democratic National Convention. (credit:Getty Images)
Nicole Kidman(08 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is of a wax figure of the Australian actress. (credit:Getty Images)
Gerard Butler(09 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:AP)
Sharon Stone(10 of69)
Confirmed to attend the Celebrate the Arts in America Dinner (credit:Getty Images)
Chris Christie(11 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:AP)
Tracy Morgan(12 of69)
Confirmed to attend the Celebrate the Arts in America Dinner (credit:Getty Images)
George Lucas(13 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is U.S. House of Representatives minority leader Rep. Nancy Pelosi (D-CA) (R), filmmaker George Lucas (C) and Senior Visual Effects Supervisor at Industrial Light & Magic Dennis Muren (L) attend inga town hall meeting sponsored by House Democrats about the need for a new innovators reflecting the country's diversity February 14, 2006 on Capitol Hill in Washington, D.C. (credit:Getty Images)
Kerry Washington(14 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is actress Kerry Washington at a rally for Democratic presidential candidate Barack Obama in Orangeburg, South Carolina, January 22, 2008. (credit:Getty Images)
Shaquille O'Neal(15 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is basketball player Shaquille O'Neal (L) of the Miami Heat giving a basketball signed by the team to US President George W. Bush as he receives the 2006 NBA champions in the East Room of the White House on February 27, 2007 in Washington, D.C. (credit:Getty Images)
Connie Britton(16 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:Getty Images)
Matthew Perry(17 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is National Association of Drug Court Professionals All Rise Ambassador and actor Matthew Perry testifying before the House Commerce, Justice & Science Appropriations Subcommittee in support of funding for Drug Courts and Veterans Treatment Courts, as National Association of Drug Court Professionals CEO West Huddleston listens in on Thursday, March 21, 2013 in Washington, D.C. (credit:AP)
Courtney Cox(18 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:Getty Images)
Patricia Arquette(19 of69)
Confirmed to attend the Celebrate the Arts in America Dinner The photo is Patricia Arquette at the 2011 White House Correspondents' Association Dinner at the Washington Hilton on April 30, 2011 in Washington, D.C. (credit:Getty Images)
Jeremy Renner(20 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:AP)
Hayden Panettiere (21 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is Hayden Panettiere speaking at a press conference for ''Save The Whales Again'' on October 26, 2008 in Washington, D.C. (credit:Getty Images)
Ashley Judd(22 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:AP)
Fred Armisen(23 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:Getty Images)
Kevin Spacey(24 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is actor Kevin Spacey at the White House Correspondents Association Dinner in Washington, DC, April 28, 2012. (credit:Getty Images)
Josh Radnor (25 of69)
Confirmed to attend the Celebrate the Arts in America Dinner (credit:Getty Images)
Olivia Munn(26 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:Getty Images)
Giancarlo Esposito (27 of69)
Confirmed to attend the Celebrate the Arts in America Dinner.Jesse Jackson (L) and Giancarlo Esposito share an embrace onstage at The Creative Coalition's 2013 Inaugural Ball at the Harman Center for the Arts on January 21, 2013 in Washington, D.C. (credit:Getty Images)
Eric Stonestreet(28 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:Getty Images)
Kate Walsh (29 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is actress Kate Walsh at a rally to mark the one-year anniversary of the BP Macondo Deepwater Horizon oil spill on Capitol Hill April 20, 2011 in Washington, D.C. (credit:Getty Images)
Tim Daly (30 of69)
Confirmed to attend the Celebrate the Arts in America Dinner (credit:Getty Images)
Sam Trammell(31 of69)
Confirmed to attend the Celebrate the Arts in America Dinner (credit:Getty Images)
Chadwick Boseman(32 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:Getty Images)
Kevin Michael McHale(33 of69)
Confirmed to attend the Celebrate the Arts in America Dinner (credit:Getty Images)
Leslie David Baker(34 of69)
Confirmed to attend the Celebrate the Arts in America Dinner (credit:Getty Images)
Beth Behrs (35 of69)
Confirmed to attend the Celebrate the Arts in America Dinner (credit:Getty Images)
Sophia Bush(36 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:AP)
Kristin Chenoweth(37 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is US President George W. Bush (R) shaking hands with singer Kristin Chenoweth as 'Frasier' actor Kelsey Grammer (2nd-R) and 'West Wing' actor John Spencer watch at the conclusion of the Ford's Theatre Presidential Gala on March, 3 2002 in Washington D.C. (credit:Getty Images)
Harvey Weinstein(38 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is Chris Dodd and Harvey Weinstein at a panel discussion after a screeing of the documentary 'Bully' at MPAA on March 15, 2012 in Washington, D.C. (credit:Getty Images)
Jon Favreau(39 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is U.S. President Barack Obama meeting with the Director of Speechwriting Jon Favreau (R) in the Oval Office of the White House on April 14, 2009 in Washington, D.C. (credit:Getty Images)
Jane Harman(40 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:AP)
Claire McCaskel(41 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:AP)
Jon Huntsman(42 of69)
Confirmed to attend the White House Correspondents' Dinner In this photo Mary Kaye Hunstman listens as her husband, Republican presidential candidate, former Utah Gov. Jon Huntsman announces his withdrawal from the race, Monday, Jan. 16, 2012, in Myrtle Beach, S.C. (credit:AP)
Ray LaHood(43 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:AP)
Josh Gad(44 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:Getty Images)
Michael J. Fox(45 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is US Democratic presidential candidate John Kerry (R) with actor and actor Michael J. Fox (L), who suffers from Parkinson's disease, at a town hall meeting entitled 'Restoring America's Leadership in Science' at Winnacunnet High School in Hampton, New Hampshire, on October 4, 2004. (credit:Getty Images)
Claire Danes(46 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is Bob Schieffer and actress Claire Danes arriving at the White House Correspondents' Association Dinner on Saturday, April 28, 2012 in Washington D.C. (credit:AP)
Daniel Dae Kim(47 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is actor Daniel Dae Kim at the PEOPLE/TIME Party on the eve of the White House Correspondents' Dinner on April 27, 2012 in Washington, D.C. (credit:Getty Images)
Steven Spielberg(48 of69)
Confirmed to attend the White House Correspondents' Dinner The photo is director Steven Spielberg, left, at a media availability with Senate Majority Leader Harry Reid of Nevada, right, before a screening of the movie "Lincoln," for members of Congress, on Capitol Hill, Wednesday, Dec. 19, 2012 in Washington D.C. (credit:AP)
Gabby Douglas(49 of69)
Confirmed to attend the White House Correspondents' Dinner In this handout image provided by The White House, U.S. President Barack Obama (R) talks with members of the 2012 U.S. Olympic gymnastics teams (L-R) Steven Gluckstein, Savannah Vinsant, Aly Raisman, Gabby Douglas, Steve Penny, USA Gymnastics President, McKayla Maroney, Kyla Ross, and Jordyn Wieber in the Oval Office November 15, 2012 at the White House in Washington, D.C. (credit:Getty Images)
Chef Jose Andres(50 of69)
Confirmed to attend the White House Correspondents' Dinner In this photo US Secretary of State Hillary Clinton looks on as Chef Jose Andres of Spain, center, shakes hands with former US President Bill Clinton during the 2011 Clinton Global Initiative meeting, September 22, 2011 in New York. (credit:Getty Images)
Newt Gingrich (51 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:AP)
Elizabeth Banks, Paul Rudd(52 of69)
Both are confirmed to attend the White House Correspondents' Dinner In this photo Elizabeth Banks and Paul Rudd attend the Yahoo! News/ABC News White House Correspondents' Dinner Cocktail Reception at the Capital Hilton on April 28, 2012 in Washington, D.C. (credit:Getty Images)
Kevin Ware(53 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:AP)
Justin Bartha (54 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:Getty Images)
Navid Negahban(55 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:AP)
Victor Cruz(56 of69)
Confirmed to attend the White House Correspondents' Dinner In this photo President Barack Obama greets New York Giant football player Victor Cruz, right, and Bill Nye 'the Science Guy', center, after hosting the White House Science Fair to celebrate the student winners of a broad range of science, technology, engineering and math (STEM) competitions from across the country, Monday, April 22, 2013, in the East Room of the White House in Washington D.C. (credit:AP)
Dan Stevens(57 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:AP)
Kathleen Turner(58 of69)
Confirmed to attend the White House Correspondents' Dinner In this photo Kathleen Turner, actress and chair of Planned Parenthood's Board of Advocates, delivers remarks during a National Press Club luncheon address September 6, 2012, in Washington, D.C. (credit:Getty Images)
Madeleine Stowe(59 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:Getty Images)
Mariane Pearl(60 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:Getty Images)
Steve Zahn(61 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:Getty Images)
Jamie Wyeth (62 of69)
Confirmed to attend the White House Correspondents' Dinner In this photo United States First Lady Laura Bush (L) introduces painter Jamie Wyeth while hosting a media preview of the 2005 holiday decorations and tasting event in the White House East Room November 30, 2005 in Washington, D.C. Wyeth's painting of the White House illustrates the White House Christmas Card. (credit:Getty Images)
Pat Llodra(63 of69)
Confirmed to attend the White House Correspondents' Dinner In this photo Vice President Joe Biden sits with Newtown, Conn. First Selectwoman Pat Llodra before speaking at a gun violence conference in Danbury, Conn., Thursday, Feb. 21, 2013. (credit:AP)
Eric Cantor(64 of69)
Confirmed to attend the White House Correspondents' Dinner In this photo US Republican Representative and House Majority Leader Eric Cantor (R) of Virginia addresses US President Barack Obama attend the Inaugural Luncheon in Statuary Hall on Inauguration day at the U.S. Capitol building January 21, 2013 in Washington D.C. (credit:Getty Images)
Jack Lew(65 of69)
Confirmed to attend the White House Correspondents' Dinner In this Thursday, Jan. 10, 2013 file photo, President Barack Obama shakes hands with White House Chief of Staff Jack Lew in the East Room of the White House in Washington, after he announced that he will nominate Lew as the next Treasury Secretary. (credit:AP)
Rahm Emanuel (66 of69)
Confirmed to attend the White House Correspondents' Dinner In this photo US President Barack Obama greets Chicago Mayor Rahm Emanuel (L) after disembarking from Air Force One upon arrival at Chicago O'Hare International Airport in Chicago, Illinois, February 15, 2013. (credit:Getty Images)
Benh Zeitlin (67 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:Getty Images)
Khaled Hosseini(68 of69)
Confirmed to attend the White House Correspondents' Dinner (credit:AP)
Ron Kirk(69 of69)
Confirmed to attend the White House Correspondents' Dinner In this photo President Barack Obama talks with U.S. Trade Representative Ron Kirk during their meeting with Trans-Pacific Partnership leaders during the APEC summit in Honolulu, Hawaii, Saturday, Nov. 12, 2011. (credit:AP)
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