Kimmel Cracks The Whip! Jimmy Warns Justin: Stop Hurting Jen

As Jennifer Aniston and Justin Theroux aim to turn around their troubled marriage, sources reveal to RadarOnline.com exclusively the actress’ old Hollywood pal Jimmy Kimmel has stepped in to help! "Jimmy loves Justin, but that's because he made Jen happy and he's only friends with Justin as long as he keeps doing that,” spills the