Justin Timberlake is the latest high-profile star who's revealed he's a big Conor McGregor fan.
The Dublin-born athlete is quite the celebrity and can rival Taylor Swift with his many famous fans from Rihanna to Arnold Arnold Schwarzenegger, Jimmy Kimmel and even Donald Trump.
Now McGregor can add Justin Timberlake to that ever-increasing, well-earned list.
He was photographed at the UFC 200 event in Las Vegas on Saturday night sitting alongside Timberlake and NFL star (and husband of Gisele) Tom Brady.
It appeared that the Can't Stop The Feeling singer was delighted to be hanging out with the MMA champion and shared the news with his 31.7 million Instagram followers, saying: "NBD... Just hanging out with the Notorious at #UFC200."
The feeling was mutual for McGregor who shared the same photo on his own Instagram account with the caption: “Bringing sexy back with my brother Justin Timberlake.”
Do we sense a bromance brewing here?
His cage-fighter son is one of the most famous sportsmen in the country, but in the early days Tony McGregor admits he would have preferred Conor to be a plumber. Now, on the eve of Father's Day, Tony tells our reporter about his relationship with his own father, overcoming cancer and his immense pride in all three of his children.