This week, Ricky Martin shows off his hot bod at the beach ... while wearing some super short shorts, Juliette Lewis flaunts her fit physique in a blue bikini and matching shorts and Victoria Beckham looks worn out after her appearance in Singapore!

And, James Franco works up a sweat while hiking, Nick Carter brings us back to the '90s with his new 'do and Mindy Kaling looks picture-perfect for the 2015 Cannes Film Festival

Plus, Sam Smith has some fun with his new "Harry Potter" wand, Bob Saget reunites with his "Full House" costar John Stamos and Aubrey O'Day looks like a completely different person with her new long gray hair! 

Click "Launch Gallery" above to see these stars' personal pics and even more celeb candids in this week's best celebrity TwitPics!