“The simple colorless crystal is so pure on stage, the brilliance is like nothing else," gushed designer Zaldy Goco about a shimmery silver outfit he made for Britney's "Femme Fatale" tour, which starts on Thursday. People also reported that her closing look will be a black Swarovski-crystal-covered outfit that "illuminates with LED lights and animates fire and lightning." [People/Stylewatch]