Rihanna and Chris Brown have reportedly made a sex tape. The "Umbrella" singer and her 19-year-old boyfriend - who has been charged with felony assault and making criminal threats following his alleged assault on her last month - are said to have filmed themselves engaging in a series of "kinky" acts.

A source told America's Star magazine: "Chris and Rihanna enjoy an aggressive love life that would shock many people. Rihanna loves dressing up - including as a dominatrix - and role playing. They both have kinky sides."

Pamela Anderson has moved into her electrician boyfriend's trailer.

The former "Baywatch" star is reportedly living in a mobile home with new lover Jamie Padgett, who is a surfer and electrician, in Malibu.

Kid Rock doesn't "understand" why people go to rehab. The "All Summer Long" singer, who was previously married to Pamela Anderson, would never check himself into a treatment center if he began partying too hard.

He said: "I do not understand rehab. If it works for people then God bless them. People have different personalities. Some people do a line of cocaine and start selling their TVs and their guitar and everything else."

In 2008, these messes were so hot, they could be blamed for global warming. These celebrities were on the covers of tabloids, on the news, and in your water coolers but for all the wrong reasons. They tried to make them go to rehab (luckily, most said yes), and one was even on VH1's "Celebrity Rehab" with Dr. Drew. The public has spoken and has voted these 10 high-profile offenders as the Top 10 Celebrity Train Wrecks of 2008.

10. Lily Allen After her sunny 2006 debut album "Alright, Still," most of the hits Lily Allen has taken since then have been by the press.