Justin Bieber CANNOT Walk Straight.

With his shirt off and his shoulders stooped, Justin Bieber could have been auditioning for a part in The Hunchback Of Notre Dame.

But in reality he was just walking along the beach with a bit of bad posture.

The the teen singing sensation was snapped strutting around the sand yesterday with his family in Cabo San Lucas,

Wearing nothing but a pair of dark coloured swimming trunks, the 17-year-old appeared to be working on his tan, but it was his hunched demeanour that made the star stand out.

Perhaps someone needs to let the pop star know that poor posture can trigger a host of health problems.

According to the Mayo Clinic, bad posture can cause back pain, headaches, fatigue and sore muscles.

Regarding Flynet For The Pictures!