2015: Nina Dobrev
Nina Dobrev and crew were all about the girl power with their Spice Girl costume.
1996: Cindy Crawford
Cindy Crawford went for a modern day Marilyn Monroe, switching the flowy white gown for a form fitting dress.
2002: Angie Harmon
Angie Harmon channeled her inner rocker chick as No Doubt’s front woman Gwen Stefani.
2007: Roberto Cavalli
Roberto Cavalli took his Halloween inspiration from fellow designer Karl Lagerfeld.
2007: Audrina Patridge
Audrina Patridge’s Like a Virgin outfit gave us major 80s flashbacks.
2010: Sophia Bush and Austin Nichols
Sophia Bush and Austin Nichols played house as newlyweds Katy Perry and Russell Brand.
2011: Kelly Ripa and Nick Lachey
Kelly Ripa and Nick Lachey dressed up as Kim Kardashian and her 6’9 hubby on the same day they announced their divorce.
2011: Lauren Conrad
Lauren Conrad tweeted this photo of herself as …Baby One More Time’s Britney Spears.
2011: Nicole Richie
Nicole Richie was the perfect J. Lo in a pink Juicy Couture tracksuit.
2012: Miley Cyrus
With a bright yellow wig and leopard leotard, Miley Cyrus transformed into Nicki Minaj.
2013: Ellen DeGeneres
Ellen DeGeneres also impersonated Nicki Minaj for a Halloween episode of The Ellen Show.
2013: Perez Hilton
Celebrity gossip Perez Hilton showed a lot of skin as Bangerz singer Miley Cyrus.
2013: Ashley Madekwe
British actress Ashley Madekwe and her boyfriend paraded as fashion duo Karl Lagerfeld and Choupette.
2013: Miley Cyrus
Miley Cyrus went as Lil’ Kim on the MTV video awards red carpet circa 1999.
2013: Bethenny Frankel
Bethenny Frankel knows that diamonds really are a girl’s best friend.
2013: Paris Hilton
Paris Hilton dressed up as the Material Girl herself, Madonna.
2013: Paris Hilton
And because 2 costumes are better than 1, Paris Hilton also donned Miley Cyrus’s famous VMA bodysuit.
2013: Gregg Sulkin
Gregg Sulkin traded his sneakers for blue suede shoes with his King of Rock ‘n’ Roll costume.
2013: Holly Robinson Peete
Holly Robinson Peete put on a white and pink wig for her Nicki Minaj outfit.
2014: Beyoncé and Blue Ivy
Beyoncé and Blue Ivy teamed up as the Jackson family’s Michael and Janet.
2014: Cindy Crawford and Rande Gerber
Cindy Crawford and hubby Rande Gerber proved that couple costumes can be fun with their version of Cher and Gregg Allman.
2014: Kate Moss
Kate Moss as Cara Delevingne: From one supermodel to another.
2014: Kim Kardashian and crew
Kim Kardashian and gang transformed into fellow fashion powerhouses Anna Wintour, Grace Coddington, André Leon Talley and Karl Lagerfeld.
2014: Miley Cyrus
Miley Cyrus channeled her godmother Dolly Parton for Halloween 2014.
2014: Lance Bass
Lance Bass did a #tbt to his boy band self.
2014: Kaley Cuoco
Kaley Cuoco was so believable as Justin Bieber he should hire her as a body double to avoid the paps.
2014: Kelly Ripa
Kelly Ripa showed her team spirit in a Taylor Swift inspired cheerleader ensemble.
2015: Josh Duhamel and Fergie
Josh Duhamel was spot on with this Karl Lagerfeld getup, complete with Fergie as the famous Choupette.
2015: Chrissy Teigen
Chrissy Teigen is unrecognizable as television personality Guy Fieri.
2015: Keke Palmer
Keke Palmer replicated R&B singer Aaliyah’s Try Again music video ensemble with a rhinestone bikini.
2015: Tyler Blackburn
Tyler Blackburn went old school with this Charlie Chaplin costume.
2015: Victoria Justice
Victoria Justice paid tribute to her idol Amy Winehouse.
2015: Kim Kardashian
Kim K took the easy route and went as herself at the 2013 Met Ball.
2015: Kelly Ripa and Michael Strahan
Co-hosts Kelly Ripa and Michael Strahan took their Halloween inspo from the Super Bowl. Kelly paraded as California Girl Katy Perry with Michael as perhaps the even more famous left shark.
For the latest in fashion, beauty and culture, sign up to receive ELLE's daily newsletter.