This week, Kesha posts her first picture since leaving rehab, Mariah Carey takes "dembabies" swimming and Miley Cyrus smokes a suspicious cigar in Denver! 

Also, Bobbi Kristina Brown shows off her bikini bod in a candid snap, Ryan Seacrest pokes fun at "American Idol" judge Harry Connick Jr., and Rihanna shows off the fruits of her celebrity treatment. 

Plus, Kendall Jenner takes a bike ride from a stranger, Lauren Conrad has the most perfect home office and Kristin Chenoweth gets pooped on! 

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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