Rosie O'Donnell showed off the major weight loss she's been working towards on Twitter today. The View alum, 52, has dropped nearly 50 pounds!

"Almost 50 lbs off - I can see it now," she wrote, and while she should probably have used a more in-focus "before" shot, you can't help but be impressed ...

Posted in: Rosie O'Donnell

When Roseanne Barr rose to fame in the '80s her weight was part of her act and - for many - added to her appeal. But now, long-retired from the stand-up circuit and with her sitcom years behind her, Roseanne has clearly decided to shed those extra pounds, and the result is astounding.

Posted in: Roseanne Barr

Maria Kang, a.k.a. the "Hot Facebook Mom," is back again, and she's courting controversy (not a surprise) with her "no excuses" attitude toward fitness.

The wife, mom, blogger and founder of a fitness nonprofit made headlines last year with a photo of herself and her three kids captioned, "What's your excuse?"

Posted in: Maria Kang