The 24 star greets some fans after leaving a television station in L.A. Plus: Ashlee Simpson, Jessica Alba, Carmen Electra and more

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YAY OR NEIGH!

Leona Lewis takes a break from her music for a horseback riding lesson Tuesday at the Los Angeles Equestrian Center in Burbank, Calif. The British pop star recently released a sneak peek at her upcoming music video "I Will Be," which costars pal Chace Crawford.