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Super Bowl LI: Halftime

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Ben Liebenberg/NFL)

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Ben Liebenberg/NFL)

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Ben Liebenberg/NFL)

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Ben Liebenberg/NFL)

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Ben Liebenberg/NFL)

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Ben Liebenberg/NFL)

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Ben Liebenberg/NFL)

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Ben Liebenberg/NFL)

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Ben Liebenberg/NFL)

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Ben Liebenberg/NFL)

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Perry Knotts/NFL)

Lady Gaga performs in the Pepsi halftime show during the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Shawn Hubbard/NFL)

Lady Gaga performs in the Pepsi halftime show during the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Shawn Hubbard/NFL)

Lady Gaga performs in the Pepsi halftime show during the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Shawn Hubbard/NFL)

Lady Gaga performs in the Pepsi halftime show during the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Sean Ryan/NFL)

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Steve Sanders/NFL)

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Steve Sanders/NFL)

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Steve Sanders/NFL)

Lady Gaga performs during halftime of the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Steve Sanders/NFL)

Lady Gaga performs in the Pepsi halftime show during the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Terrell Lloyd/NFL)

Lady Gaga performs in the Pepsi halftime show during the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Todd Rosenberg/NFL)

Lady Gaga performs in the Pepsi halftime show during the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Todd Rosenberg/NFL)

Lady Gaga performs in the Pepsi halftime show during the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Todd Rosenberg/NFL)

Lady Gaga performs in the Pepsi halftime show during the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Todd Rosenberg/NFL)

Lady Gaga performs in the Pepsi halftime show during the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Todd Rosenberg/NFL)

Lady Gaga performs in the Pepsi halftime show during the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Todd Rosenberg/NFL)

Lady Gaga performs in the Pepsi halftime show during the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Todd Rosenberg/NFL)

Lady Gaga performs in the Pepsi halftime show during the NFL Super Bowl LI football game on Sunday, Feb. 5, 2017 in Houston. (Todd Rosenberg/NFL)