Article continues below advertisementJustin Bieber is turning heads once again. The "DAISIES" singer flaunted his physique in a recent Instagram post, wearing nothing but tighty-whities and combat boots, leaving fans buzzing.Bieber, 31, posed in the revealing outfit while wandering through a field, showcasing his numerous tattoos and a confident demeanor. He displayed his playful side by groping himself, igniting a frenzy among admirers on social media.Article continues below advertisementSource: @lilbieber/InstagramJustin Bieber wore nothing but combat boots and briefs in his instagram post.