"At the Met," the "Let's Get Loud" singer, 47, captioned the shot, in which she is seen blowing a kiss to the former New York Yankees player, 41, as he snaps a picture of her with his iPhone.
J.Lo and A-Rod made their red carpet debut as a couple at the star-studded May 1 gala at the Metropolitan Museum of Art. She looked gorgeous in a sheer blue Valentino gown and Harry Winston diamond jewelry, while he rocked a classic black tuxedo. Before arriving at the bash, J.Lo shared a selfie with her beau on Instagram, calling him her "macho bello."
Us Weekly exclusively revealed in March that Lopez and Rodriguez had been quietly dating for weeks before they went public with their romance. They've since vacationed together and have stepped out for numerous dinner dates.
And the feeling is mutual. "We're having a great time. She's an amazing, amazing girl," Rodriguez gushed on The View in March. "One of the smartest human beings I've ever met and also an incredible mother."
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