What male celebrities have appeared naked?

Several male celebrities have appeared nude in films, television shows, or photo shoots. Notable examples include actors like Chris Evans in "Captain America: The Winter Soldier," Jamie Dornan in "Fifty Shades of Grey," and Ewan McGregor in "Trainspotting." Additionally, musicians like Adam Levine and models such as Nick Jonas have also posed nude for various projects. These appearances often generate significant media attention and public discussion.