Spotted!

Cameron Diaz at the Avon Walk for Breast Cancer in L.A.

New dad David Spade at Apple in L.A.

Rob Lowe at the Audi Best Buddies Challenge at Hearst Castle.

Faith Hill and Tim McGraw having lunch at Gibson's Steakhouse in Chicago.

Jamie Foxx buying lots of ladies drinks at Tao in Vegas.

Emmy Rossum downloading the Style.com fashion application on her iPhone at the Style.com iPhone trailer in NYC.

Sharon Stone at Shine on Sierra Leone's Casino Royale Fundraising event in LA.

Katy Perry and Perez Hilton rocked out all night together at the sneak preview of new Las Vegas hot spot LAVO. DJ Reach played a best of Madonna set at their request. Katy jumped up and danced on top of the DJ booth when Reach threw on her hit song "I Kissed A Girl," mouthing the words and pumping her fist in front of the packed crowd.  

Diddy flying from the Etalk/Moodswing 360 party in Toronto to Shrine at MGM Grand at Foxwoods for his Black and White party which he attended with Cassie and her family.

Benicio del Toro requesting Cuban music be played at the 360 Vodka after party for Che at Greenhouse in Toronto.