Tennis Player Goes Gaga -- See Her Wild Outfits!

Bethanie, the Lady Gaga of Tennis, was spotted arriving to her match against Misaki Doi yesterday in an a white, fringe jacket covered with spikes and tennis balls!

This isn't Mattek-Sands' first tennis ball outfit though -- she also stepped out at a pre-Wimbledon bash last week in a one-of-a-kind bright yellow and green creation.

Get a closer look at some of Bethanie's wildest looks, plus some crazy fashion from Venus Williams, Serena Williams and Maria Sharapova!