AceShowbiz -

Cheers guys 'coz Kirstie Alley is celebrating her new shape. The once "Fat Actress" has back in shape, showing her new curvy look, donned a bikini on "The Oprah Winfrey Show" Monday Nov 6th, fulfilling the promise she made a year ago.

Talk show host Oprah Winfrey said Alley, who is 5-foot-8, has lost 75 pounds, after hitting a high of 220 pounds. Her weight gain was documented in various unflattering paparazzi photos. As of Alley, the actress said herself that she never would have had the courage to wear a bikini onstage when she was 30, despite being slender.

But now, Alley said she's learned how to make smart choices when dining out. For exercise, she dances and works out with a personal trainer. She's also quit smoking. We can decide to change anything, at any age," Alley said. "What I hope for all women is they feel good about themselves, they look the way they want to look."