Kevin Federline and Victoria Prince
08/16/2011 at 07:00 PM EDT
is a dad again!
The former backup dancer and onetime rapper welcomed his fifth child, daughter Jordan Kay, at 6:33 p.m. on Monday, PEOPLE confirms. This is the first child for girlfriend Victoria Prince
Federline, 33, and Prince, a former competitive volleyball player from Washington state, began dating toward the end of 2008. In April, Prince, 28, glowed as she showed off her growing bump
, posing with a grinning Federline.
Jordan joins Federline's expanding brood
, which already includes sons Jayden, 4½, and Preston, 5½, with ex-wife Britney Spears
and son Kaleb, 7, and daughter Kori, 10, with ex-girlfriend Shar Jackson.