All good things must come to an end ... and Michael Chiesa's signature mullet is no exception ... and the UFC fighter is telling TMZ Sports he chopped off his hair at his girlfriend's request!!!
Chiesa has been rockin' the "business in the front, party in the back" look for years ... but the welterweight cleaned up his look and got rid of the mullet recently ... and now we know why.
"It's just time for me to grow up. I've had a mullet the better half of my whole life.