in MP! Justin Bieber is the insta-shirtless king!- Gallery by Maximum Pop! September 24, 2013, 2:11 pm 75 Views As many Daily Nipple Pics have proven, Justin Bieber is the insta-shirtless king! If you need anymore evidence (or just want something nice to look at), check out our shirtless Bieber gallery below: See more Previous article X Factor hopeful used to date Nathan Sykes! POP BITS. Next article Ariana Grande and Nathan Sykes spotted getting cosy in Disneyland. POP BITS. Leave a Reply Cancel replyYou must be logged in to post a comment. Loading… Comments comments Written by Maximum Pop! No dull pop stars allowed.