Just when you thought you’d never hear Lady Gaga and Wimbledon mentioned in the same sentence, up popped Bethanie Mattek Sands. The American No 2 tennis player is the self-proclaimed Lady Gaga of tennis. And whilst she didn’t last that long in the championship, she certainly brightened the staid tournament up with her unique fashion sense. At the pre tournament bash, she sported an outfit that can only be described as interesting. In bright neon green, and with a matching headdress, Bethanie made sure all eyes were on her. Decorated with tennis balls, the dress was designed by Alex Noble, who has also designed clothes for…wait for it…Lady Gaga. Then,…