Most talked about Super Bowl halftime artists: Prince, Lady Gaga, Rihanna, more - ESPN
Lady Gaga's Super Bowl Performance Was Not Explicitly Political, But it Was Political Nonetheless
List: Super Bowl Halftime Shows From 2000 to Now – NBC Los Angeles
Super Bowl controversy! Did Lady Gaga hit the over or under on the national anthem? - The Washington Post
Watch Lady Gaga Inauguration Day Performance: National Anthem [VIDEO] – TVLine
Super Bowl national anthem: Relive Lady Gaga's 2016 performance
7 Controversial Super Bowl National Anthem Performances – Super Bowl Controversy
Super Bowl Halftime Shows Ranked: Rob Sheffield's Worst, Best – Rolling Stone
Super Bowl national anthem singers: a history - Live 95.5
Lady Gaga Wows With Impressive Performance Of US National Anthem At 2016 Super Bowl (VIDEO)
Lady Gaga on Performing the National Anthem at Super Bowl 50