Gladys Knight opens Super Bowl 53 with stunning national anthem performance
Gladys Knight Steps Out in All White for the National Anthem
Super Bowl 2019: Gladys Knight wows singing national anthem
Gladys Knight To Sing National Anthem At The Super Bowl
Gladys Knight opens Super Bowl 53 with stunning national anthem performance
Gladys Knight's national anthem performance before Super Bowl 2019: VIDEO - 6abc Philadelphia
Gladys Knight Singing National Anthem at Super Bowl, Addresses Colin Kaepernick
Gladys Knight opens Super Bowl 53 with stunning national anthem performance
Gladys Knight's national anthem performance before Super Bowl 2019: VIDEO - 6abc Philadelphia