Joe Jonas and Gigi Hadid Make Red Carpet Debut as a Couple

— -- Joe Jonas and Gigi Hadid made their first red carpet appearance together Thursday night.

The couple posed for photographs on the red carpet of the Global Lyme Alliance Gala in New York City.

Hadid, 20, and Jonas, 26, have been rumored to be dating for months, but the Global Lyme Alliance Gala red carpet marks their first official appearance as a couple.

The model wore an off-white strapless Tommy Hilfiger dress to the gala, while the DNCE frontman donned a blue suit as he stood by Hadid's side, according to Us Weekly.

During the event, Hadid presented her mother, "Real Housewives of Beverly Hills" star Yolanda Foster, with an award for her work spreading awareness of Lyme disease.