Just hours after announcing her happy news, the former Cheetah Girls star attended the 6th Annual Essence Black Women In Music event on Thursday night (5 February).
Adrienne looked beautiful in a black halterneck dress with lace trim, teamed with black heels: a very simple look meaning all the focus could be on that gorgeous ring!
The 30-year-old is engaged to Roc Nation's Lenny Santiago, her boyfriend of around six years.
They began dating following her split from Rob. Her romance with Rob had been documented in the Kardashian family reality shows.
Adrienne broke the engagement news while filming an episode of her US talkshow The Real yesterday, before putting a picture on Instagram showing Lenny giving her a kiss while she flaunted her ring for the camera.
Reveal is now on Google Plus! Join us here for the latest pictures, fashion and celebrity news!