Macklemore(01 of22)
Open Image ModalMacklemore's daughter Sloane was a strawberry for her first Halloween. (credit:Instagram)
Nick Lachey(02 of22)
Open Image ModalNick and Vanessa Lachey and their kids Camden and Brooklyn went as characters from "Toy Story." (credit:Instagram)
Viola Davis(03 of22)
Open Image ModalThe actress' adorable daughter Genesis just wanted to be her mom for Halloween.On Instagram, Davis wrote: "The Elsa costume? Didn't work for her. The Pirate? A no go. So she finally said, 'I just want to be YOU mommy'! So... uhh....this is ME." (credit:Instagram)
Shakira(04 of22)
Open Image ModalShakira, husband Gerard Piqué, and sons Milan and Sasha dressed as Topo Gigio, a Spanish cartoon from the 60s. (credit:Instagram)
Naya Rivera(05 of22)
Open Image ModalNaya Rivera's son Josey celebrated his first Halloween as a skeleton. (credit:Instagram)
Mariah Carey(06 of22)
Open Image ModalMariah Carey dressed as a witch, while dem babies went as Batman and Bat Girl. (credit:Instagram)
Katherine Heigl(07 of22)
Open Image ModalOn Twitter, Katherine Heigl wrote: "My ladies embracing their Halloween characters! The regal winter garden fairy and the unpredictable Mother Nature! "Heigl adopted her two daughters, Nancy and Adalaide, with her husband Josh Kelley. (credit:Twitter)
Pink(08 of22)
Open Image ModalPink, her husband Carey Hart and their daughter Willow dressed as the characters from "E.T." (credit:Twitter)
Jessica Simpson(09 of22)
Open Image ModalJessica Simpson's daughter Maxwell in cat makeup. (credit:Instagram)
Kourtney Kardashian(10 of22)
Open Image ModalKourtney Kardashian and kids -- Mason, 5, Penelope,3, and Reign, 10 months -- dressed as superheroes. (credit:Instagram)
Beyonce & Jay-Z(11 of22)
Open Image ModalBeyonce, Jay-Z and their daughter Blue Ivy went as characters from Eddie Murphy's 1988 comedy "Coming to America." (credit:Instagram)
Gisele Bundchen(12 of22)
Open Image ModalGisele Bundchen and Tom Brady's kids went at Nemo and the Hulk for Halloween. (credit:Instagram)
Neil Patrick Harris(13 of22)
Open Image ModalNeil Patrick Harris, husband David Burtka and twins Gideon and Harper channeled "Star Wars" characters. (credit:Instagram)
Zoe Saldana(14 of22)
Open Image ModalZoe Saldana's adorable twins Bowie and Cy in matching skull costumes. The "Guardians of the Galaxy" actress welcomed her twins last November with husband Marco Perego. (credit:Instagram)
Alyssa Milano(15 of22)
Open Image ModalAlyssa Milano and her family dressed as the cast of "Despicable Me." (credit:Instagram)
Kelly Rowland(16 of22)
Open Image ModalKelly Rowland and her son Titan wore matching Mickey and Minnie costumes. (credit:Instagram)
Jessica Alba(17 of22)
Open Image ModalJessica Alba's daughter Honor went as a princess. (credit:Instagram)
Gwyneth Paltrow(18 of22)
Open Image ModalGwyneth Paltrow and her look alike daughter Apploe wore matching skull face paint. (credit:Instagram)
Jimmy Fallon(19 of22)
Open Image ModalHis other daughter, 11-month-old Frances, went as Farrah Fawcett. (credit:Instagram)
Jimmy Fallon(20 of22)
Open Image ModalJimmy Fallon dressed up his two-year-old daughter Winnie as Margot Tenenbaum. (credit:Instagram)
Fergie & Josh Duhamel(21 of22)
Open Image ModalFergie, Josh Duhamel and their son Axl dressed as Catwoman, Batman and a clown. (credit:Instagram)
Kim Kardashian(22 of22)
Open Image ModalKim Kardashian's daughter North West and Kourtney Kardashian's daughter Penelope Disick wore matching "Frozen" costumes for Halloween. (credit:Instagram)