Olsen treats herself to a day of beauty at a spa in Beverly Hills. Plus: Mischa Barton, Ashlee Simpson, Rihanna and more

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STEP BUY STEP

Loaded down with shopping bags – and photogs! – The Hills' Heidi Montag and Spencer Pratt have a tough time sailing down Robertson Boulevard in Los Angeles on Tuesday. The pair were at Kitson taping an episode of MySpace Celebrity's show The Fit, which debuts on April 15.