The female artist, who is signed to Khalifa's Taylor Gang Records, gave birth to a baby boy on Tuesday (12Mar13), her first with her hip-hop star beau Los.
Announcing the news on Twitter.com, Monroe writes, "To God be the Glory!!!!! Our royal gift has arrived!!! I just gave birth to our baby...!!!! Love".
Sending his well wishes, Khalifa tweets, "Congrats to @Thee_LoLaMonroe and @iamKingLos on their new addition to the family. The feelings is (sic) amazing!!!"
The newborn will be a little playmate for the Black and Yellow hitmaker's young son Sebastian, who was born last month (Feb13).