John Cena's naked body is not a joke ... (For every star on the red carpet, head here.) But when host Jimmy Kimmel motioned for John to run on stage, the 46-year-old had a few reservations.

See Simu Liu, Awkwafina and John Cena Hit the Jackpot! Red Carpet for the Los Angeles Premiere From Kim Kardashian to Nick Jonas and John Cena — All the Guests at Billionaire Heir Anant Ambani's ...