The Real Housewives of Atlanta guest star Demetria McKinney is sporting a big rock on her ring finger.

McKinney announced her engagement to boyfriend and TV executive Roger Bobb on Instagram Tuesday.

"It's true! I'm no longer #RogerBobb girlfriend! We are #engaged ! Thank u to all who rooted for and supported us!" McKinney captioned a selfie while flashing her diamond sparkler.

McKinney also posed for pictures at the Growing Up Hip Hop premiere in Atlanta in which the actress and singer playfully showed off her engagement ring.

McKinney, 36, and Bobb, 48, have been dating for a few years, according to People, and she has a son from a previous relationship.

McKinney is best known for her role as Janine Payne on the TBS sitcom Tyler Perry's House of Payne.

The Real Housewives of Atlanta airs Sunday nights at 8PM ET/PT on Bravo.