Hilton hits the beach with HBO star Adrian Grenier in Malibu. Plus: David Beckham, Nicole Richie and more

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With beau Joel Madden (not pictured) leading the way, a 4-months pregnant Nicole Richie finally shows off her mini baby bump as she leaves the Neil George Salon in Beverly Hills on Thursday. That same day, the Simple Life star also lunched with Madden and pal Samantha Ronson at Barney Greengrass deli.