Panettiere trades her cheerleading outfit for a two-piece on the set of Heroes. Plus: Britney Spears, Geri Halliwell and more

TRUE BLUE

Jennifer Aniston chills out on the beach during a Sunday barbecue in Malibu with a star-studded crew – including David and Courteney Cox Arquette, Sacha Baron Cohen and Isla Fisher (not pictured).