
Something happened while we weren’t watching — Justin Bieber transformed from a boy to a man.
The proof? These new pictures of the teen idol in his underwear.
Just a year ago, the “Boyfriend” singer looked like this:

But of course that was about five tattoos ago — and before her discovered the lure of Victoria’s Secret models and marijuana.
Justin has a sculpted body now and he looks much more mature. What a difference a year makes — when you’re a teenager!