This week, Khloe Kardashian shares the sweetest snap of sis Kourtney Kardashian's daughter Penelope Disick, John Stamos poses with Paula Abdul and Chris Pratt gushes about his gorgeous wife, Anna Faris!
And, Brittany Snow takes the best selfie with Christina Aguilera on the set of "The Voice," Ivanka Trump shows off her flawless makeup-free face and Ellen Pompeo celebrates "Grey's Anatomy Fan Appreciation Day."
Plus, Christina Milian pulls an all-nighter, Karlie Kloss looks like the spitting image of her pretty mama and Lady Gaga channels her inner detective with "Law & Order's" Mariska Hargitay.
Click "Launch Gallery" above to see these stars' personal pics and even more celeb candids in this week's best celebrity TwitPics!
