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'Biggest Loser' winner Danni Allen: 'I can dream again'

When Danni Allen started on "The Biggest Loser," she weighed in at 258 pounds and felt insecure about her body and her abilities. But that's all changed now. On Monday night, Danni, who now weighs in at just 137 pounds, bested fellow finalists Jeff Nichols and Jackson Carter and proved she no longer has any reason to feel insecure.

The 26-year-old visited TODAY Tuesday to talk about her "Loser" win and share her new lease on life.

"I knew no matter what, in my heart, I had already won," Danni said of her success before she ever stepped on the finale-night scale.

But she wasn't so sure about pulling off the official win against the "big boys," especially given the fact that she knew she'd gained 19 pounds of muscle during the competition.

"It did play a little bit mentally, because this is a weight loss show; it's about the numbers," Dani explained. "But at the end of the day, if you're telling me I lost because I gained too much muscle, I'll take it."

Of course, she didn't have to take that -- she won, and the experience has already started to transform her life.

"It just has given me the self-confidence that I never had before, and that sense of belief that I can dream again," she said. "You know, nothing's too big.... Anything's possible, and I just believe it."

But she doesn't believe everything.

"I can't believe I have a quarter of a million dollars coming my way!" Danni exclaimed about her winnings. "I have so many ideas of what I could possibly do with it, but the one thing is Jeff and I had a little side bet that no matter what ... we were going to take the other one on a vacation because we knew we definitely deserved a vacation.... We're gonna bring Francie (Morillo) too, because the two lovebirds can't leave each other."

As for herself, she's looking for her own lovebird now.

"I'll just be the third wheel -- I'll find my guy out there (on vacation)," she smiled.

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