No, Williams' top didn't suddenly fall off in some kind of tennis-related wardrobe malfunction. The complaints suggested Williams' nipples were too visible through her shirt, which I assume, as a lay person with no tennis knowledge, was chosen for comfort, range of motion, and maybe sweat-wicking ability. One thing I'm guessing did not go into Williams' decision to wear the top was whether it would protect the sensitive eyes of Wimbledon viewers who, for some unknown reason, were staring at her chest.