Vivica A. Fox Is Engaged!

In true Cougar style, Vivica A. Fox is engaged to Atlanta club promoter Omar "Slim" White.

The actress, 46, who starred in the reality show, The Cougar, received an eight-karat diamond ring from White, 27, over the holidays.

"We did get engaged on Dec. 26," Fox tells PEOPLE. "And we are very happy!"

"She is over the moon – so excited, so in love," a source close to Fox tells PEOPLE. "She got the ring while they were staying at Ritz-Carlton, South Beach, over the holidays."