Anthony Kiedis You've Changed

1/29/2017 7:48 AM PST

Anthony Kiedis Changes In Public After Surfing

Anthony Kiedis isn't the same guy after a round of surfing ... he literally changes right in front of you.

The Red Hot Chili Peppers lead singer hit up Malibu Saturday to catch some waves, and then stripped down to his birthday suit for a discreet wardrobe change in the open. 

Chalk it up to sunshine and Californication.