Kirstie Alley Weight Loss: I'm Down 100 Pounds Since 'Dancing With the Stars'

Debuting her slimmer body at New York's Fashion Week, she says, "I feel like I'm back in my element."
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Kirstie Alley has seriously slimmed down since coming in second place on Dancing With the Stars last season.

"I've lost 100 pounds," she tells Entertainment Tonight.

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"I feel like I'm back in my element," she added. "I honestly didn't even realize what I looked like."

Alley debuted her slimmer physique at by closing the Zang Toi show at New York City's Fashion Week on Tuesday.

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

The 60-year-old actress reached her goal. She's currently a size 4, she says.

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She won't be undergoing plastic surgery to further change her looks, though.

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