Nastia Liukin, 'Dancing with the Stars' Contestant, Is Engaged

The former "Dancing with the Stars" contestant showed off her huge new ring.

— -- Nastia Liukin is doing back flips now that she's engaged.

"So this just happened..." she wrote, along with a photo of her new diamond ring.

The Olympic gymnast, 25, made it to the semifinals of the ABC reality show. Lombardi, a former professional hockey player, is the co-founder and COO of Venture Up, a web platform that caters to young athletes.

The couple has been together since at least last year.

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