The youngest Jonas is unfortunately off the market as he confirms his relationship with this year's reining Miss Universe, Olivia Culpo. While Nick Jonas did not issue an official statement, the couple's public kiss last Tuesday at the Billie Jean King National Tennis Center in Queens, New York was enough to seal the deal.

Twenty-year-old Jonas even posted an Instagram photo of them enjoying the game together. His caption said: 'US Open was so fun. Good people. Good tennis.'

The two met nearly three months ago when Jonas served as a co-host during the Miss USA pageant in Las Vegas, Nevada. Last month, the two were similarly photographed enjoyin a romantic dinner in a New York-based restaurant called Ovest Pizzoteca.

Regardless of the thousands of people watching the game, the multi-platinum-selling artist didn't mind sharing several smooches with his girlfriend who's also a Boston University sophomore. Both of them are clad in casual attires paired with dark sunglasses. They were similarly seen with Joe Jonas and his Swiss model girlfriend, Blanda Eggenschwiler.

The 'When You Look Me In The Eyes' singer has already impressed his beau's family. He visited Culpo's family in Rhode Island and decided to go to church with them.

"He actually came to church with us on Sunday! It may seem a bit unusual but not to him. He's a fine kid," said Culpo's mom, Sandra, who clearly loved Jonas's move. The duo also spent their weekend visiting the zoo as well as the family's favorite diner, Twin Oaks.

Nonetheless, the beauty queen is not rushing things: "I think she's having fun. They're just getting to know each other. They're in the beginning stages. So who knows where it goes from here," added her mom.

The youthful Jonas previously dated Victoria Justice, Selena Gomez, Miley Cyrus, and Delta Goodrem.