Lady Gaga's 'Applause' Single Partially Leaks, Fans Launch Anti

BillboardLady Gaga's 'Applause' Single Partially Leaks, Fans Launch Anti-Piracy CampaignBillboardKaty Perry wasn't the only pop star to have her upcoming single leak this weekend. Several snippets of Lady Gaga's new song "Applause," set to be released on Aug. 19, also showed up online. Gaga ranted about the leak on Twitter but her fans responded ...