Watch: Inside Patrick Mahomes' Lavish Anniversary Celebration for Brittany MahomesBrittany Mahomes isn't fumbling Patrick Mahomes' birthday shoutout. As the Kansas City Chiefs quarterback celebrated his 30th birthday Sept. 17, his wife of three years-who is also the football player's high school sweetheart-shared a sweet message on social media. "Happy 30th Birthday!!!" Brittany-mom to Sterling, 4, Bronze, 2, and Golden, 8 months, with Patrick-wrote in an Instagram post.