US OPEN champion Brooks Koepka can't stop laughing as a cheeky chimp climbs over his girlfriend's boobs.
Stunning Jena Sims looks in shock as the daring monkey plants herself firmly on her chest.
Cheeky chimp climbs over US Golf Open champ Brooks Koepka's girlfriend's boobsKoepka has had a breakthrough year on the US PGA Tour, capturing his first Major and reaching a career-high seventh in the world rankings.
But he looks to have a serious rival in the love stakes at this swingers' party, with movie star Jena admitting as much.
Sims - who featured in Roger Corman's Attack of the 50ft Cheerleader - wrote alongside the hilarious video: "Ayyye BK has some competition."
The loved-up couple are currently island-hopping around Thailand.
Latest golf news
And Koepka has clearly been enjoying splashing some of the £4.3million he has earned this year, smoking cigars and relaxing on a boat.
Koepka, 27, was one of the star's of the US Ryder Cup team that hammered Europe at Hazeltine last year.
STUNNING SIMS Who is Brooks Koepka's girlfriend Jena Sims?
And he looks a shoo-in to feature in France next season thanks to his status as a Major winner.
His fine form shows no sign of slowing down, thanks in part to a second-place finish behind Justin Rose at the WGC-HSBC Champions in Shanghai at the end of last month.
Most read in sport
ncG1vNJzZmivp6x7tbTErKynZpOke7a3jqynqKqkZIF5g5VucG5npah6sLzEp2ScoJGivaq7zWaZq6efoMBut86ep6SZo2K0qr7Ln6minZ6Zeq2t1KCfrGWRqHqktMSeorJlk522rryMnKOipZKoerDCxKtkoZ2iYq%2Bwu8GsZg%3D%3D