The normally perfectly coiffed and straight-haired singer turned designer revealed his natural curls during a press preview of the North American International Auto Show in Detroit on Monday.
Worn loose and somewhat messy, Wentz's wiry strands are a major departure from his signature punk-rock style. And those long sideburns he's sporting now? Kinda sexy if you ask us.
Maybe the 31-year-old Fall Out Boy bassist is outgrowing his heavy-metal image (after all, he ditched the guy-liner) and settling into marriage with Ashley Simpson-Wentz -- who also introduced a cute new hairstyle recently.
We're giving Wentz two hairs up for this look. Tell us what you think!
Want to see more of the rocker in his wild days? Take a look at how he once arrived at the Trump Tower fashion showdown.
Check out the hottest men's hairstyles across the country!
And watch the video below to check out Hollywood's most stylish celebrity couples, including Pete Wentz and Ashlee Simpson.