Rihanna's 'Sideshow Bob' hair

Here's your chance to see the most amazing hair-do of 2011...so far.

It's fair to say Rihanna's new look has got more than a little touch of the 'Sideshow Bob' about it.

It's unclear if Ri-Ri took inspiration from The Simpsons as she turned up at the Las Palmas nightclub in Hollywood to promote her new single S&M.

Only days ago she was snapped with incredibly straight hair. We would love to get thoughts on this style...let us know below.

rihanna's new hair