The 37-year-old rapper, born Christopher Bridges, and Mbouguiengue announced the news Thursday on Instagram. The couple are parents to a daughter they named Cadence Gaëlle Bridges.
Ludacris shared a throwback photo of his wife with her mother, writing, "#tbt now @eudoxiee will be switching places. #blessings #love #life," while Mbouguiengue captioned a picture of a baby balloon, "She is here #blessed #grateful."
Ludacris and Mbouguiengue have been together for years, and got engaged and married on the same day in late 2014. The rapper is also father to 13-year-old daughter Karma and 18-month-old daughter Cai.
Ludacris released his ninth studio album, Ludaversal, in March, which debuted at No. 3 on the Billboard 200 and includes the singles "Good Lovin" and "Come and See Me." The rapper also recently appeared as Tej Parker in Furious 7.