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Justin Bieber dyed his blonde hair. The 21-year-old singer posted a couple of selfies on Instagram to debut his new purple hair. In the pics, he showed off his abs wearing nothing but a towel that hung low on his hips. "Back in the gym," so he captioned one of the photos.

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

A photo posted by Justin Bieber (@justinbieber) on Jan 16, 2016 at 11:04am PST

The Canadian star also uploaded a couple of images that saw him posing in front of a shiny red Ferrari. The "What Do You Mean?" hitmaker sat on the hood of the flashy ride, wearing a black hoodie, brown pants, white trainers, and dark shades.

A photo posted by Justin Bieber (@justinbieber) on Jan 15, 2016 at 8:49pm PST

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A photo posted by Justin Bieber (@justinbieber) on Jan 15, 2016 at 8:50pm PST

Hours earlier, Bieber shared a picture of his sleeping. He was shirtless as well, showing off his guns and wearing nothing but his Calvin Klein boxer briefs. "Sweet dreams," so he wrote to his more than 5 million followers.

A photo posted by Justin Bieber (@justinbieber) on Jan 15, 2016 at 2:43pm PST