Girl power forever! Emma Stone  revealed a special talent on Jimmy Kimmel Live! on Friday, showing the world just how familiar she is with her favorite group. As it turns out, Emma has the ability to forge the British quintet's signatures. The actress studied their autographs on popular merchandise when she was just a little girl, and she still has the skills to prove it. If you loved Emma's emotional freak-out over the message she received from Mel B , watch the video below!