This week, Chris Hemsworth joins Instagram and shares one adorable photo while working out with his little boy in his arms, Laverne Cox shows off her flawless face will going makeup-free and Kate Hudson flashes her bootyful backside!
Plus, Kaley Cuoco and Johnny Galecki shut down dating rumors with one adorable "just friends" snapshot, Justin Bieber hits the studio and Aubrey O'Day has a bright pink new 'do.
And, Demi Lovato gets her very own "Confident"-themed spin class, Ian Somerhalder looks ... different and Josh Gad's teaming up with Billy Crystal for a new comedy show!
Check out the gallery above to see these stars' personal pics and even more celeb candids in this week's best celebrity TwitPics!