This week, Crystal Hefner puts her hot bod on display in one super sexy lingerie-clad selfie, Dwayne "The Rock" Johnson shows off his big biceps from Hawaii and Kylie Jenner flaunts her famous curves in some questionable workout gear!
And, Tia Mowry takes the sweetest pic with her lookalike son, Raven-Symoné hangs with Jason Biggs and Justin Beiber tests out his motorcycle skills ... on a Ducati.
Plus, Lo Bosworth looks gorgeous in her latest makeup-free selfie, Ciara has some fun with her adorable 3-month-old baby boy and Karlie Kloss is taller than her private jet!
Click "Launch Gallery" above to see these stars personal pics and even more celeb candids in this week's best celebrity TwitPics!