Post Malone opened up about making his underwear campaign debut with the Kim Kardashian apparel brand and the surprising way he prepared for the NSFW shoot.

Post Malone is showing off his heavily inked body in a new campaign for Skims' western-inspired menswear line.

The musician stripped down to his Realtree-camo-print skivvies and opened up to GQ about touring, life in Utah, and fatherhood. “It’s badass to be a dad,” he says. “It’s the most beautiful thing I’ve ever experienced.