This week, Alessandra Ambrosio shows off her killer body post-gym workout, James Franco posts a funny pic of him carrying his "bebe" Seth Rogen and Kathy Griffin mocks Justin Bieber's BFF Lil Za with something suspicious hanging out of her pant pocket! 

Also, Katy Perry shows off her splits skills, Sarah Michelle Gellar gets pushed around in a baby stroller (yeah, she actually fits in one) and John Stamos is looking sexy on the beach.

And, Rihanna posts a sexy selfie from Brazil, Hilary Duff gets a bizarre facial and Rob Dyrdek and his trusty companion Big dress up in drag! 

Click "Launch Gallery" above to see these stars' personal pics and even more celeb candids in this week's best celebrity TwitPics!

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