In a vibrant maxi dress, Paris Hilton laughs as she entertains guests during a party at her Malibu beach house.

Is Jamie Lee Curtis playing courier? Nope! The actress is just picking up some mail on her bike in Santa Monica.

Diddy and some friends arrive at the VIP Room to host a party in Saint Tropez.

Nicky Hilton shows off her tanned, sexy legs at her beach house in Malibu.

Don’t Justin Timberlake and Mila Kunis look great together? The stars pose during a photocall for ‘Friends with Benefits’ in Berlin.

Seth Rogen parties during a friend’s bachelor party at Surrender Nightclub at Encore Las Vegas!

Hugh Jackman pretends to get hit while playing on the beach with daughter Ava in Saint Tropez.

Mary J. Blige looks the bomb at the 12th Annual Art For Life East Hampton Benefit in New York City.

Malin Akerman picks out some gifts from Carrera Sunglasses, Venroy Australia board shorts and MiO Liquid Water Enhancer at the Carrera Sunglasses Escape event in LA.

DJ Samantha Ronson and Rosario Dawson pose together at the Carrera Sunglasses Escape event in Los Angeles.

New mom Rachel Zoe looks amazing, attending the Ovarian Cancer Research Fund’s (OCRF) 14th annual Super Saturday 14 benefit.

Emma Roberts is gorgeous on the grass arrivals ‘carpet’ at the Ovarian Cancer Research Fund’s 14th annual Super Saturday 14 benefit in NYC.

A blue-haired Lady Gaga signs autographs for an excited fan in New York City.

Pregnant Jessica Alba looks incredible at the Los Angeles Premiere of Spy Kids All The Time in the World in 4D Aroma Scope.

Weeeeee! Emma Roberts and Chord Overstreet go on a carnival ride together at the Super Saturday charity shopping event in the Hamptons.

New Hollywood parents Pink and Carey Hart do lunch, and then head out, helmets in hand, to ride away on Carey’s bike.

‘Twilight’ sensation Kristen Stewart arrives at London’s Heathrow Airport to catch a flight.

Rihanna is spotted rocking her natural hair, shopping for jewelry in Barbados.

Supermodel mom Adrian Lima shows off her amazing figure in a leopard print bikini on Miami Beach.