The cast of the MTV reality smash coordinate their tank tops for a Miami gym visit. Plus: Jennifer Aniston, Channing Tatum and more

MOM'S THE WORD

Kim Kardashian catches up with look-alike mom Kris Jenner Wednesday after hosting the Bravada International Launch Party at L.A. restaurant The Whisper Lounge. "I'm such a workaholic right now," the newly single star told PEOPLE of life post-split.