Mary-Kate and Ashley Olsen
Mary-Kate Olsen, once famed for her super skinny frame now looks the picture of health after gaining 16lbs, taking her up to 7st 12lb.
The actress, 22, added the weight to her 5ft 1in frame in just five months and has told friends that it's all down to her new found happiness.
Mary-Kate had previously suffered from an eating disorder and was treated for anorexia nervosa.
A source told Look magazine: "Mary-Kate looks amazing. She's positively glowing and looks a hundred times healthier and sexier. She's truly happy and it shows."
Friends say that her new positive outlook is down to her relationship with artist boyfriend, Nate Lowman, 29.
The pair have been together for a year for a year and are rumoured to be engaged and planning a beach wedding next year.
The source added: "Mary-Kate and Nate are made for each other. He absolutely cherishes her and she had blossomed. All her problems are behind her. She's eating good, wholesome food - lots of protein, fruit and vegetables."
Mary-Kate's twin Ashley has gained 7lb, taking her to 8st.
FemaleFirst - Jessica Watson