Vivica A. Fox is gettin' married -- to a guy 19 years younger than her!

Vivica's 27-year-old man, Atlanta club promoter Omar "Slim" White, popped the question over the holidays, according to the New York Post.

Fox, 46, showed off her engagement ring last week at LeBron James' 26th birthday party in Miami.

The "Kill Bill" star has been married once before, she was married to singer Christopher Harvest from 1998-2002.