Kirstie Alley Reveals "I've Lost 100 Pounds"

Kirstie Alley is a size 4! The Dancing With the Stars alum has revealed that she has reached her weight-loss goal and slimmed down, showing off her thinner physique Tuesday during NYC fashion Week.

"I've lost 100 pounds," the 60-year-old actress told Entertainment Tonight Tuesday. "I feel like I'm back in my element. I honestly didn't even realize what I looked like."

Kirstie braved the runway for designer Zang Toi's Spring 2012 Fashion Show, debuting her slimmer physique in a eye-popping royal blue gown with rinestone accents.

"Before Dancing with the Stars, I bought these dresses from size 14 to 4," she shared with ET. "They were all the same dress, and I said, 'You know what I really want? I really wanna be in this dress in a 4!'"

Now that she is reached her size 4 goal, is plastic surgery next on her agenda?

"I haven't had plastic surgery but here's the reason: People do plastic surgery to make you look younger," she said. "I don't think it makes you look younger. I like it can make you look weirder."

How about embarking on a new relationship with her new sense of confidence?

"This is what I think about sex," she said. "I think its fun to hookup every night for six months... Then it's time to move on!"