Justin Bieber on Jan. 14 in Los Angeles. Credit: Bauer-Griffin/GC Images

That's one way to draw attention to your new hairstyle. Justin Bieber took to Instagram on Saturday, January 16, wearing nothing but a low-slung towel to show off his new, lighter hair color.

The "Sorry" singer posted two photos, one of which he captioned "back in the gym," that showcased his well-defined abs as well as his new 'do.

And while his locks looked lavender in the gym pics, other photos he shared posing in front of a Ferrari on Friday, January 15, revealed that his hair has an ombre effect — graduating from darker purple to a lighter tone and platinum on the ends.

A photo posted by Justin Bieber (@justinbieber) on

It's not the first time Bieber, 21, has taken a walk on the dyed side. He switched from brown to blond in December 2014 and again for the MTV Video Music Awards in August 2015.

"Blonds do have more fun," he told i-D magazine in November.

Want stories like these delivered straight to your inbox? Sign up now for the Us Weekly newsletter!