Kirstie Alley Weight Loss Pics: 100 Pounds Later ...

Time for a big, fat celebration.

There are celebrity weight loss stories, and then there's this. Kirstie Alley cleared the 100 lb. weight-loss hurdle this summer, a truly impressive feat.

"When I hit that mark, I went, 'That's it!'" Alley told People this week from Florence, Italy. "I have more energy than I've ever had in my whole life."

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While Alley's weight has fluctuated in recent years, the actress, now 60, hit a wall two years ago at 230 pounds: "My body had gotten really weak."

No longer.

By dancing daily after her dazzling appearance on Dancing with the Stars, where she came in second, changing to an organic diet and following Organic Liaison, her own weight-loss program, she's turned her life around for good.

"There was nothing positive about being fat. Now I feel back to normal," the star, now a proud size 6 and 130 pounds, says. "I have my game again."

Her next challenge: "What I'm looking for is to be madly, deeply in love," says Alley, who will also star in the upcoming ABC pilot, The Manzanis.

"For the first time in my life, I know exactly what I want in a man," she says. "I want someone who has my back, who is courageous and brave."

Her new body can only help. Along with her dance moves:

[Photos: WENN.com]