This week, Taylor Swift rehearses for Sunday's Grammys, Kylie Jenner shows off her new ink and Lindsay Lohan wears a surgical mask in the snow?!
Also, Aubrey O'Day tans her "fake ass," Rob Dyrdek takes the cutest nap with his friend's baby and Hilary Duff rocks out at a Justin Timberlake concert.
And, Adrian Grenier gets stuck on a ski lift at the Sundance Film Festival, Emmy Rossum flaunts the perks of her celebrity treatment and Rihanna goes topless ... yet again!
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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