Nicky Hilton continues to draw attention to her plummeting weight by flashing her painfully thin legs at every opportunity.

Paris Hilton's less controversial sister was snapped leaving a medical centre in Beverly Hills yesterday in a pair of denim hot pants that highlighted her stick-thin frame.

Just a year ago Nicky was the proud owner of a much healthier, curvier frame – but, as our pictures show, it seems she's now disappearing before our eyes.

Nicky in Beverly Hills yesterday (left) & in curvier days (right)