Kelly Clarkson has embarked on a fitness regime used by police academies and the military in a bid to get fit.

Tinseltown's two biggest Twitter addicts, Ashton Kutcher and Demi Moore, are at it again! This time, instead of Demi posting a photo of herself at the dentist's office with a missing front tooth

Actress Demi Moore has learned to ease off her punishing gym sessions - because she "killed herself" by working out so much early on in her career.

1) Starpulse user Debrasride asks, "What is Rihanna's next CD?" Rihanna released her last album, "Good Girl Gone Bad," in June 2007, featuring the hit single "Umbrella."

Demi Moore took a self-imposed hiatus from acting after deciding to raise her family instead - and is only returning because her kids became sick of the sight of her. The actress gave up acting after her flop 1997 film GI Jane and, apart from a cameo in Charlie's Angels: Full Throttle, spent most of her free time raising children Rumer, Scout and Tallulah after she divorced Bruce Willis in 2000.