The pop star Ariana Grande is engaged to the luxury real estate agent Dalton Gomez, she announced on Instagram on Sunday.

Sharing photos of herself with Mr. Gomez (and a diamond and pearl ring), she captioned her post, “forever n then some.”

Ms. Grande had hinted at her relationship with Mr. Gomez over the past year, tucking photos with him into stacks of images shared on Instagram.  A music video for her collaboration with Justin Bieber on “Stuck With U,” a nod to quarantine,