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LAS VEGAS, NV - DECEMBER 12: Musician Anthony Kiedis of the Red Hot Chili Peppers in attendance during the UFC 194 event inside MGM Grand Garden Arena on December 12, 2015 in Las Vegas, Nevada. (Photo by Christian Petersen/Zuffa LLC/Zuffa LLC via Getty Images)

LAS VEGAS, NV - DECEMBER 12: Musician Anthony Kiedis of the Red Hot Chili Peppers in attendance during the UFC 194 event inside MGM Grand Garden Arena on December 12, 2015 in Las Vegas, Nevada. (Photo by Christian Petersen/Zuffa LLC/Zuffa LLC via Getty Images)
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UFC Christian Petersen