CHICAGO, July 29 (UPI) -- Empire co-stars Trai Byers and Grace Gealey reportedly got engaged over the weekend.
The 32-year-old actor proposed to the 31-year-old actress at a surprise birthday party he threw in her honor. Gealey turned 31 on Sunday, and celebrated with family and friends at Kinmont restaurant in Chicago, Ill.
"He popped the question and she was totally surprised and elated," an insider told Us Weekly. "She can't stop looking at the ring! They celebrated all night."
"She thought it would just be the two of them going to dinner, but when they got there, he had arranged a party for about 20 of her friends and family members to surprise her," a source added to E! News.
The couple's co-stars, Kaitlin Doubleday, Gabourey Sidibe and Jussie Smollet were in attendance. Gealey can be seen with a large diamond ring on her left hand in a video Sidibe posted of the actress blowing out her birthday cake candles.
Byers and Gealey play Andre Lyon and Anika Calhoun, aka Boo-Boo Kitty, on the Fox musical drama. The pair reportedly felt an immediate connection after meeting on set, and have been linked since attending a wedding together in March.
Empire premiered in January, and will return for a second season in the fall. The series follows music mogul Lucious Lyon (Terrence Howard) as he contends with his ex-wife (Taraji P. Henson) and three sons (Byers, Smollett and Bryshere Gray) after being diagnosed with ALS.