Can anything top winning a Super Bowl? For Patrick Mahomes, 24, who just led the Kansas City Chiefs to their first NFL championship in 50 years, there might be one thing better than his Super Bowl LIV victory – and that might be when his longtime girlfriend Brittany Matthews says, “I do.” Brittany, 24, was Patrick’s biggest cheerleader during the Big Game, and the way they celebrated afterward, it wouldn’t be that shocking if he got down on one knee.