The singer and UFC champion called each other ‘brothers’ in the shared pic.
To date, the Dublin-born featherweight champion has hung out with the likes of Rihanna, Arnold Schwarzenegger and Jimmy Kimmel, so he’s definitely building up his celeb friend list.
The two are pictured here at the UFC 200 fight which took place in Las Vegas over the weekend:
With their matching beards, the two could (well, if you didn’t know who they are) be related. You could almost say it’s like Conor’s JT’s mirror, his mirror staring back at him (yep, we went there).