Fans quickly took to social media to praise Flea for his rather cheeky appearance. "Trust Flea from red hot chilli peppers to do the most ridiculous s---… showing up on stage in his underwear ...

Twenty-five years ago today--on February 3, 1992--the Red Hot Chili Peppers played ... that used to circle his brunette noggin are long gone. Fortunately, the shearing of Flea’s spiral ...