Justin Bieber dyes his hair purple, shows off new 'do in series of nearly naked selfies

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Justin Bieber Flaunts His Purple Hair (and Killer Abs) in Sexy Shirtless Selfie
Justin Bieber Flaunts His Purple Hair (and Killer Abs) in Sexy Shirtless Selfie

Daaaaamn, Justin Bieber!

On Saturday, Bieber posted a nearly naked locker room selfie with the caption, "Back in the gym," and we're not sure what to focus on first: The fact that he dyed his previously platinum hair purple, or that he's showing off his new 'do -- and insane abs! -- while wearing nothing but a towel.

View this post on Instagram

back in the gym,

A post shared by Justin Bieber (@justinbieber) on Jan 16, 2016 at 11:03am PST

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Moments later, the 21-year-old pop star followed up with another mirror shot of his buff body:

The "Sorry" singer has yet to reveal what inspired the new hue, but he first showed off his lilac locks on Friday while posing with his Ferrari.

SEE MORE: Meet the Sorority Girl Justin Bieber's Family Hired as a Nanny

ET recently sat down with celebrity pastor Rich Wilkerson Jr., who told us that Bieber has "a heart of gold." "He's been thrown into a whirlwind that I'll never know and so I think on his journey he's always trying to figure it out," Wilkerson said.

RELATED: The evolution of Justin Bieber

Find out what else he said about Bieber's spiritual journey in the below video:

Inside Justin Bieber's Emotional Baptism in NBA Pro Tyson Chandler's Bathtub
Inside Justin Bieber's Emotional Baptism in NBA Pro Tyson Chandler's Bathtub