R&B singing sensation Mario is standing up — and baring his biceps — for our furry friends as part of animal rights group PETA’s provocative “Ink, Not Mink” campaign. The Baltimore native exposes his “Soul Truth” tattoo and encourages his fans to “[b]e comfortable in your own skin, and let animals keep theirs…..”

“Every piece of fur that you see out there and people wearing, there’s an animal [who's] lost … his or her life.”