25 best celebrity Halloween costumes of all time

From Heidi Klum's masterpieces to Beyoncé and Blue Ivy channelling Michael and Janet Jackson, here are some of the best ever celebrity Halloween costumes.
Heidi Klum remains the Queen of Halloween thanks to her unrecognizable transformation into Jessica Rabbit. <br>Photo: © Getty Images
"Mic Drop" Katy Perry Photo: © instsgram.com/katyperry
Kelly Ripa recreates Kim Kardashian 'Break the Internet' magazine cover. Photo: © David M. Russell/Disney ABC
Shakira, partner Gerard Piqué and their sons Milan and Sasha dressed up as Spanish cartoon family Topo Gigio. Photo: © Instagram
Maria Menounos and the E! News team as the cast of <i>Saved by the Bell</i>. <br>Photo: Instagram
Miranda Kerr is transformed into Marilyn Monroe. <br>Photo: © Instagram
Heidi Klum morphs into a butterfly for Halloween 2014. Photo: © Getty Images
Cindy Crawford and Rande Gerber as Guns N Roses. Photo: © Rex
Demi Lovato as a zombie. Photo: © Getty Images
Beyonce and Blue Ivy as Janet and Michael Jackson. Photo: © Instagram
Neil Patrick Harris, David Burtka and twins as Frankenstein and Dracula. Photo: © Twitter
Lauren Conrad and friends as 'party animals'. Photo: © Instagram
Rihanna dressed as a Teenage Mutant Ninja Turtle in 2014. Photo: © Getty Images
Katy Perry and actress Shannon Woodard channelled the 90s' animated series <i>Daria</i>. <br>Photo: Twitter/@katyperry
Nina Dobrev didn't leave Harry Potter and Ron behind when she hit the streets in 2011 as Hermione Granger. <br>Photo: Twitter/@ninadobrev
Josh Duhamel and wife Fergie as Chanel's Karl Lagerfeld and his infamous cat Choupette. <br>Photo: © Instagram/@fergie
Jessica Alba and Kelly Sawyer look like they just walked off the set of <i>Romy and Michelle's High School Reunion</i>. <br>Photo: © Instagram/@jessicaalba
Leave it to Neil Patrick Harris and David Burtka to create the ultimate family scene from <i>Star Wars</i>. <br>Photo: © Instagram/@nph
Allison Williams looks perfect as Belle from <i>Beauty and the Beast</i> <br>Photo: © Instagram/@aw
Gigi Hadid as Sandy from <i>Grease</i>. <br>Photo: © Getty Images
Vanessa Hudgens and Austin Butler. <br>Photo: © Instagram/@vanessahudgens
Ellen DeGeneres as the unknown Kardashian sister, Karla. <br>Photo: © Youtube
Martha Stewart as Medusa. <br>Photo: © marthastewart.com
In 2011, the cast of the Today show recreated Prince William and Kate's royal wedding. <br>Photo: © NBC/Today
Paris Hilton as Madonna. <br>Photo: © Instagram/@parishilton
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