They previously made surprise visit to other sport earlier this month
The amazing party saw various NFL celebs in attendance, including JuJu Smith-Schuster, Jamaal Charles and Mitchell Schwartz.
Mahomes’ foundation laid on the event amid the Vegas Golf Classic Pairing Party.
And the quarterback was all smiles as he chatted to guests while wearing a matching jacket and pants combo.
As for Brittany, she stole the show in an amazing coloured dress complete with red handbag.
They looked loved up as they posed together for the camera.
The pair made their appearance 10 days after visiting the Miami Grand Prix.
Mahomes and Brittany puckered up as they enjoyed the thrilling race in Florida.
The pair started dating back in 2012 when they were still at high school.
