There are so many sides to birthday girl Gwyneth Paltrow [1], from her successful acting career and her growing lifestyle brand to her fashionable moments on the red carpet and her dedication to health and fitness. Ever wonder which Gwyneth you'd be? Take our quiz to find out! And if that's not enough, make sure to find out which famous blonde you'd be [2], too!

Source: Getty/Allen Berezovsky [3]