Backstreet Boys star Nick Carter just asked girlfriend Lauren Kitt a "Larger Than Life" question: "Will you marry me?"

The 33-year-old pop star proposed to his fitness model fiance on Wednesday while on vacation in the Florida Keys. Her answer: "Yes."

The singer hinted at the proposal Friday on Instagram, posting a very happy photo of the two of them with the caption "Big question...great answer."

He confirmed the news to PEOPLEsaying he got down on one knee with a seven-carat diamond ring.

"I wasn't expecting it. It just felt very surreal," Kitt told the mag. "We both are just so happy in love right now and on cloud nine." 

Carter, the youngest of the Backstreet Boys, is the only one who isn't already married.

Congrats to the happy couple!

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