Shooting a final-round 63 to pick up your fifth European Tour victory would be the highlight of the day for most people. Then again, most people aren't Joost Luiten.
After winning the KLM Open on Sunday (the Dutchman's national championship), Luiten stuck around and partied with the groundskeepers at in the maintenance shed at Kennemer Golf and Country Club.
The after party looked like something out of a popular nightclub, with dancing, drinking and singing songs like the "Joost is on fire!" and "La la la la la Joost!"
Check it out for yourself: