Serena Williams goes topless,wears a thong for the first time in Sports Swimsuit Issue

 Serena Williams stripped down for Sports Illustrated 2017 Swimsuit Issue, and she's stepping into uncharted territory!

The tennis champion rocked a thong swimsuit for the very first time.She said

"I've never worn a thong bikini, so for that to be my first shot was like a shot of espresso for me because I had to wake up immediately," The thong is perfect, it really made me feel comfortable. I'm officially a thong girl now!"