PowerPoint Show by Andrew

Kim Kardashian

Even as a turtle, Rihanna added sex appeal to her outfit in a gold bustier.

Heidi Klum threw her annual costume bash in a brightly-colored butterfly number.

Jennifer Lopez with Demi Lovato (left) as Lucille Ball and Iggy Azalea (right) as one of the men from White Chicks.

Paris Hilton dressed as Minnie Mouse.

Joanna Krupa slipped into a nude and leather Catwoman suit when she attended Adam Lambert's soiree at Bootsy Bellows in West Hollywood on Friday.

Kourtney Kardashian steps out in a fur-lined Gorilla costume with her children dressed up.

Taylor Swift had on a white winged unicorn outfit as she stopped by the Elvis Duran show in NYC on Friday.

Singer Rita Ora pulled together everything pink for a Barbie get up alongside her blonde locks.

Katy Perry dressed as "Cheetos".

Jessica Alba dressed as Slash (right) and her blonde-haired friend as Axl.

Beyonce wore a floral dress and fanned out her eyebrows as Frida Kahlo.

Ali Larter wore a comely pirates outfit as did her son as they headed out in LA.

Mischa Barton in black and sneakers for Levine's party which was held at The Sportsman Lodge in Sherman Oaks.

Jenny McCarthy wore a "bad Sandy" outfit from the movie "Grease".

Carmen Electra dressed up as Katy Perry.