Guess who's back? Serena Williams. And she made sure her return to the tennis court Tuesday was a stylish one, the Miami Herald notes, tweeting a picture of herself in a hot pink body suit. "Look who I spotted on the court. Her first day back," Williams wrote. She hadn't played since July thanks to health problems; click here to catch up on what's been going on. Her agent says Williams is "progressing well" and has the OK from doctors to do light cardio, but still has not set an exact date for her return to the WTA Tour. (More Serena Williams stories.)