Zara Phillips rides Ardfield Magic Star during her Dressage Test at The Mitsubishi Motors Badminton Horse Trials

Cameron Diaz, Steven Spielberg and Jeffrey Katzenberg at LA Lakers game

Katy Perry is all smiles as she shops in NYC

Leona Lewis arriving at Luau restaurant in Beverly Hills

Jennifer Beals attending the Hollywood Walk of Fame Ceremony for Marlee Matlin on Hollywood Boulevard in LA

Kelly Ripa in bikini on Miami Beach

Rob Lowe jetskis on Miami Beach

Pamela Anderson shows off her legs in Malibu

Rihanna running errands and shopping in NYC