The Music and Lyrics star embraces her pet cause in Malibu. Plus: Britney, Jen & Sheryl, Taylor and more

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TWO OF A KIND

Though they haven't been spending much time together in recent months, Nicole Richie and Mischa Barton show they are still in sync during an outing in Los Angeles on Sunday. On the agenda? Grabbing lunch and playing with puppies and kittens at a pet store.