It's another boy for Alicia Keys and Swizz Beatz!
The singer gave birth to a son, who they creatively named Genesis Ali Dean.
He was born at 1:52am on Saturday, and weighed 6lbs 5oz.
[Image via Instagram.]
Ch-ch-check out the video (above) to find out where Johnny got his rock- and what he thinks of fiancé Amber Heard's family!
And take a gander at the pics (below) to see Johnny looking hot as ever for what may well be his last appearance on the Late Show.