42+ Patrick Mahomes Girlfriend Background . Patrick mahomes ii was born to pat mahomes sr. Kansas city chiefs star patrick mahomes is engaged to longtime girlfriend brittany matthews, and they're expecting a child in 2021. Brittany Matthews The Truth About Patrick Mahomes Girlfriend from img1.nickiswift.com .quarterback patrick mahomes from his mandatory postgame news conference sunday afternoon turned out to be the awful news that his girlfriend's stepfather had collapsed and died. Patrick mahomes' girlfriend brittany matthews made headlines this week after she claimed that she was harassed by new england patriots fans on sunday while cheering on her boyfriend. But who is his stunning girlfriend brittany matthews, who was cheering him on at the hard rock stadium? Kansas city chiefs quarterback patrick mahomes broke onto the nfl scene with a bang in 2017, when the fact that h...