Demi Moore has checked into the exclusive Cirque Lodge rehab treatment center in Utah, and an expert is recommending that she gets treatment for at least a month. 

Dr. Carole Lieberman, who does not treat Demi Moore, spoke exclusively to Star magazine about the troubled actress' problems and how she could start to heal.

From Justin Bieber and Selena Gomez to Chelsea Handler and 50 Cent, Hollywood is rife with celebrity couples claiming to be 'just friends.'

PHOTOS: Are They Really Just Friends?

But as Sandra Bullock and Ryan Reynolds become the latest pair to hit the rumor mill, RadarOnline.com digs deeper into the A-list platonic phenomenon.

While many romances begin as friendships, it has become habit for celebrities and their reps to issue a statement denying they are anything more than pals.