Music News Katy Perry dissed by Lady Gaga at South by Southwest 03/16/2014 Looks like Lady Gaga may be stirring rumors of a feud between herself and fellow pop singer Katy Perry again after a comment during her South by Southwest keynote interview. Read More RELATED NEWS From Tokyo to Las Vegas: Taylor Swift's flight to Super Bowl LVIII'Chucky' Season 3 trailer released by USA Network and Syfy'Quantum Leap' Season 2 visits L.A. riots, Salem Witch Trials, and more TAGS: Lady Gaga Katy Perry