(CNN) Justin Bieber has tweeted that he wants to fight Tom Cruise for some unknown reason.

Yes, that Justin Bieber and that Tom Cruise.

The singer tweeted the challenge on Sunday.

There was immediate head scratching from those who saw it.

I wanna challenge Tom Cruise to fight in the octagon. Tom if you dont take this fight your scared and you will never live it down. Who is willing to put on the fight? @danawhite ? — Justin Bieber (@justinbieber) June 10, 2019

"I wanna challenge Tom Cruise to fight in the octagon," Bieber tweeted. "Tom if you dont take this fight your scared and you will never live it down. Who is willing to put on the fight? @danawhite?"

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