Celebrities took to Twitter to express their grief after learning the news of Joan Rivers' death on Sept. 4.
She will be greatly missed:
Heaven just got a whole lot funnier. #RIPJoan
— Andy Cohen (@Andy) September 4, 2014
Thanks for the laughs @Joan_Rivers ! The last woman to bed me!
— Lance Bass (@LanceBass) September 4, 2014
RIP Joan Rivers. A force of nature.
— Seth Meyers (@sethmeyers) September 4, 2014
we lost a great one in @Joan_Rivers - she was funny all the way to the end
— Jimmy Kimmel (@jimmykimmel) September 4, 2014
Joan Rivers!!! Oh Noooo!!!
— Queen Latifah (@IAMQUEENLATIFAH) September 4, 2014
RIP the mighty Joan Rivers. Funny & fearless. Truly one of a kind.
— Ricky Gervais (@rickygervais) September 4, 2014
Sending love to @MelRivers and family. What a life and what a woman.
— christine teigen (@chrissyteigen) September 4, 2014
— Kathy Griffin (@kathygriffin) September 4, 2014
RIP Joan. You will be forever missed.
— Kelly Ripa (@KellyRipa) September 4, 2014
tragic to lose such a funny,warm woman as Joan Rivers. My thoughts, prayers & love go out to her family and friends. You will be missed Joan
— Shannen Doherty (@DohertyShannen) September 4, 2014
...My heart goes out to Melissa and Edgar. Love and respect from the Osbourne family to you both.
— Sharon Osbourne (@MrsSOsbourne) September 4, 2014
RIP Joan. What a tough trailblazing lady. We've lost so much laughter this year.
— josh groban (@joshgroban) September 4, 2014
My heart is broken. Joan Rivers RIP. Gone way too soon. All my thoughts & prayers are with Melissa & her family.
— Jesse Tyler Ferguson (@jessetyler) September 4, 2014
My friend Joan Rivers has passed away once again to quote Billy Crystal... There are no words. Bon Voyage Joan 😢
— Whoopi Goldberg (@WhoopiGoldberg) September 4, 2014
So funny and irrepressible. Rest in peace, Joan Rivers.
— bob saget (@bobsaget) September 4, 2014
pour some out for Joan tn.
lady was a G.
— R. Peezy (@RyanPhillippe) September 4, 2014
Love Her or Hate Her, we're gonna Miss JOAN RIVERS! I always
Respected her go for broke humor. One of a kind.R.I.P.
— Samuel L. Jackson (@SamuelLJackson) September 4, 2014
Joan Rivers will always be a pioneer. She paved the way for a lot of comedians. I’m very sad she’s gone. pic.twitter.com/i1uE9fyHMh
— Ellen DeGeneres (@TheEllenShow) September 4, 2014
Oh, Joan. Thank you for being so kind to me & making me laugh until tears in those moments I got spend with you. Rest in peace. 😔
— Jordin Sparks (@JordinSparks) September 4, 2014
Saddened that Joan Rivers has passed. What a legacy she leaves. Praying for Melissa, Cooper & their family
— Candace Cameron Bure (@candacecbure) September 4, 2014
— Sarah Hyland (@Sarah_Hyland) September 4, 2014
She gave me my biggest break and inspired me in life. I can't believe that heart stopped http://t.co/aafQYz1uyf
— Howie Mandel (@howiemandel) September 4, 2014
A legend. So funny. So kind to me. So sad. Our E! Family, as well as the entire world, is so grateful… http://t.co/7RZ0ySetVb
— Ross Mathews (@helloross) September 4, 2014
— INSTAGRAM LILJON (@LilJon) September 4, 2014
We will miss you @Joan_Rivers. What you did in your life was absolutely remarkable. Your rep for kindness to everyone was completely true
— Joel McHale (@joelmchale) September 4, 2014
RIP Joan Rivers. You made us laugh and happy.
— Kristin Chenoweth (@KChenoweth) September 4, 2014
— Eva Longoria (@EvaLongoria) September 4, 2014
Joan Rivers has died. What a sad ending to a brilliant and tragi-comic life; one of the bravest, and funniest of all.
— Bette Midler (@BetteMidler) September 4, 2014
It was a treat running into Joan in the hallways at E!…she was always on... always a riot. Our thoughts are w/ you & your family @MelRivers.
— Ryan Seacrest (@RyanSeacrest) September 4, 2014
She was trailblazing. Hysterical. Thoughtful. We’ll miss you immensely Joan.
— Ryan Seacrest (@RyanSeacrest) September 4, 2014
Watching Joan Rivers do standup at age 81 was incredible: athletic, jaw-dropping, terrifying, essential. It never stopped. Neither will she.
— Lena Dunham (@lenadunham) September 4, 2014
— Sarah Silverman (@SarahKSilverman) September 4, 2014
Very sad to learn about Joan Rivers, a pioneer for women in comedy.
— ABFoundation (@ABFalecbaldwin) September 4, 2014
RIP Joan Rivers. Being publicly told that my dress is hideous will never feel quite as awesome. You will be truly missed.
— Anna Kendrick (@AnnaKendrick47) September 4, 2014
I loved Joan Rivers. A trailblazing funny lady. Have fun up there. #RIPJoan
— Elizabeth Banks (@ElizabethBanks) September 4, 2014
This Woman lived Life to thee fullest!!! You will be missed Always! :( pic.twitter.com/59190aNoz5
— ROBERT KARDASHIAN (@robkardashian) September 4, 2014
Incredibly heartbroken...we will miss you so much. Amazing Mother, Amazing Grandmother, Amazing… http://t.co/DRUIo7JpL5
— Kris Jenner (@KrisJenner) September 4, 2014
— Sarah Michelle (@RealSMG) September 4, 2014
— kevin jonas (@kevinjonas) September 4, 2014
I am saddened to learn of the passing of @Joan_Rivers. A comedic legend. Thoughts going out to Melissa and her family.
— William Shatner (@WilliamShatner) September 4, 2014
Rest In Peace to the amazing Joan Rivers. very very sad news pic.twitter.com/pU1KcbPnFP
— Kendall Jenner (@KendallJenner) September 4, 2014
We'd fuss but love was there. Cant believe ur gone. Love to your family. You were iconic and trailblazing. RIP Joan pic.twitter.com/hV7fH03gfw
— Lindsay Lohan (@lindsaylohan) September 4, 2014
Not only was Joan a comic genius, she was an amazing woman. Thank you for always having Kelly’s back. You will always be a legend. RIP
— Ozzy Osbourne (@OzzyOsbourne) September 4, 2014
So sad over the passing of @Joan_Rivers. U brought me a
lifetime of laughter & were amazing to me the few times we met. RIP
— Laverne Cox (@Lavernecox) September 4, 2014