Crazy Celebrity Halloween Costumes

From Heidi Klum's latest jaw-dropping get-up to Emma Robert's hilarious tribute to her famous aunt Julia, check out all the over-the-top celebrity Halloween fun!

Kim Kardashian's mermaid get-up included a $2,000 blonde wig  ... wonder how much Kanye West's sailor suit costs?

A super-slim Jessica Simpson and family got into the Halloween spirit.

Fergie showed off her crazy figure as Angelyne next to an unrecognizable Josh Duhamel as Dennis Woodruff.

New couple alert? Patrick Schwarzenegger and Amanda Michalka looked cozy at two separate Halloween parties.

Stacy Keibler made a pretty black swan.

Though her annual Halloween bash was canceled due to Hurricane Sandy, Heidi Klum took to Twitter to give us all a preview of her glamorous Cleopatra get-up this year.

The couple that dresses together stays together? Ryan Seacrest and girlfriend Julianne Hough made a pretty great Bonnie and Clyde duo.

Not exactly sure what costume Christina Aguilera is going for here (sexy-something for sure), but she certainly found her knight in boyfriend Matthew Rutler.

Lance Bass made for a surprisingly scary clown.

Neil Patrick Harris showed his dark side in this creepy, shirtless costume.

Adam Lambert and his boyfriend Sauli Koskinen went with dramatic 'Glampire' costumes.