Alessandra Ambrosio tweets a photo of her at Universal Studios Orlando, Florida.

Alessandra Ambrosio tweets a photo of her at Universal Studios Orlando, Florida.

Paris Hilton goes zip lining in Hawaii on September 24, 2012.

Paris Hilton goes zip lining in Hawaii on September 24, 2012.

Paris Hilton is photographed shopping in Maui, while on vacation with her boyfriend River Viiperi on September 22, 2012.

Paris Hilton is photographed shopping in Maui, while on vacation with her boyfriend River Viiperi on September 22, 2012.

Pippa Middleton gets a coffee this morning in Chelsea, London, UK. on September 20, 2012.

Pippa Middleton gets a coffee this morning in Chelsea, London, UK. on September 20, 2012.

Socialite Brooke Mueller dines out at BOA Steakhouse on September 19, 2012 in West Hollywood, California. Brooke wore a Native American inspired outfit to dinner, including a headband and lots of jewelry, topped off with a United States flag printed scarf.

Socialite Brooke Mueller dines out at BOA Steakhouse on September 19, 2012 in West Hollywood, California. Brooke wore a Native American inspired outfit to dinner, including a headband and lots of jewelry, topped off with a United States flag printed scarf.

Socialite Nicky Hilton spotted out running some errands in Beverly Hills, California on September 4, 2012. Nicky also got a parking ticket for parking in an illegal zone.

Socialite Nicky Hilton spotted out running some errands in Beverly Hills, California on September 4, 2012. Nicky also got a parking ticket for parking in an illegal zone.

Socialite Olivia Palermo leaving a nail salon in New York City, looking very NY chic on September 3, 2012 !

Socialite Olivia Palermo leaving a nail salon in New York City, looking very NY chic on September 3, 2012 !

Socialite Paris Hilton leaves the Chateau Marmont after enjoying a night out in West Hollywood, California on August 22, 2012. Paris wasted no time getting back into the swing of the LA nightlife after her Saint-Tropez vacation ended a few days ago.

Socialite Paris Hilton leaves the Chateau Marmont after enjoying a night out in West Hollywood, California on August 22, 2012. Paris wasted no time getting back into the swing of the LA nightlife after her Saint-Tropez vacation ended a few days ago.

Socialite-turned-DJ Paris Hilton prepares to board a yacht in St Tropez, July 28, 2012.

Socialite-turned-DJ Paris Hilton prepares to board a yacht in St Tropez, July 28, 2012.