Jennifer Aniston, Sean Penn, and Scarlett Johansson Pictures at the Guys Choice Awards

Scarlett and Sean Reunite, Hot Jen Poses, and More From Backstage at the Guys Choice Awards

Scarlett and Sean Reunite, Hot Jen Poses, and More From Backstage at the Guys Choice Awards

Jennifer Aniston was the belle of Spike TV's ball on Saturday night when she accepted its Decade of Hotness honor during the Guys Choice Awards ceremony in LA! She radiated California chic in a LBD, rocked beachy blond hair, and showed off tanned legs while talking to old friends backstage. There was more chumminess in store for exes like Sean Penn and Scarlett Johansson, who also caught up with Justin Timberlake and Ben Affleck. Cameron Diaz joked around with her Mask costar Jim Carrey and Friends With Benefits buds Justin Timberlake and Mila Kunis, who got goofy ahead of their touchy appearance at yesterday's MTV Movie Awards — click through to see who hung out at the Spike TV event!

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