Friends fear if Rihanna doesn't slow down she'll end up in rehab or worse...
From The National Enquirer
Rihanna's friends are so worried about her hard-partying ways they're urging the singer to check into rehab - before she meets the same tragic fate as Amy Winehouse.
Concerns about the "We Found Love" songbird reached a fever pitch in mid-December after she was forced to race offstage during the middle of a concert to vomit. But instead of being more cautious about her well-being after that episode, the 23-year old has continued to party and lose weight.
"Rihanna has gone off the deep end," disclosed a source in the music industry. "She has been burning the candle at both ends for nearly a year and now she's on the verge of collapse.
