Britney Spears and Sam Asghari are officially engaged, Billboard can confirm.

Spears showed off a sparkling engagement ring on her finger to share the news in an Instagram post on Sunday (Sept. 12).

In the happy clip, Spears is seen waving her hand in front of the camera with a slight grin before kissing a smiling Asghari on the cheek.

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"I can’t f---ing believe it!!!!!!" she wrote on the post, using several ring emojis in her caption.

Meanwhile, Asghari shared another look at the ring on his own Instagram account, where he tagged Spears and left a simple prince-and-princess emoji caption.

"The couple made their long-standing relationship official today and are deeply touched by the support, dedication and love expressed to them," Asghari’s manager Brandon Cohen said in a statement to The Hollywood Reporter, adding that Spears’ new ring was designed by New York City jeweler Roman Malayev.

The pair have been dating since 2016, when they met on the set of her music video for "Slumber Party."

The Instagram update from the couple comes soon after Spears' 13-year conservatorship under her father, Jamie Spears, appears to slowly be coming to an end. On Tuesday (Sept. 7), Jamie filed a court petition to terminate the conservatorship.