This week, Rihanna twerks it in Greece, Hilary Duff gets in the Halloween spirit and Gwen Stefani and Rachel Zoe show off their matching baby bumps in blue!
Also, Paris Hilton's a biker chic now, John Stamos seems like he wants someone to cuddle with and Jack Osbourne shares a sweet pic with his baby girl Pearl.
And, Selena Gomez spends some time with her fans, the Kardashian clan celebrate Kim Kardashian's engagement to Kanye West and James Franco teases "Pineapple Express 2" with Snoop Dogg!
Click "Launch Gallery" above to see these personal pics and more cute candids in this week's best celebrity TwitPics!
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