Justin Bieber continues to spark concern after sporting a slimmer look and a knee brace during a recent outing.

Justin Bieber posed in a series of snaps, flaunting a pair of electric blue leggings on Instagram Friday, June 6. The "Peaches" singer tagged his forthcoming clothing line SKYLRK in the caption.

Justin Bieber Rocks Blonde Dreadlocks At The iHeartRadio Music Awards In Inglewood, CA #JustinBieber Rocks Blonde Dreadlocks ...