Super Bowl 2019: the halftime show controversy, explained - Vox
A History of the Super Bowl Halftime Pop Extravaganza - PRIMETIMER
Jay-Z Refused To Join Beyonce At Super Bowl 2013 Halftime Show: It Was Her Moment - Capital
Cardi B Confirms She Declined Super Bowl Halftime Performance in Solidarity With Colin Kaepernick - Spin
Rihanna Refused to Play the Super Bowl Halftime Show to Support Colin Kaepernick
Cardi B declined Super Bowl halftime with 'mixed feelings'
The 6 most expensive Super Bowl half-time shows ever – Prince, Beyoncé and J. Lo's gigs cost up to US$1 million per minute while The Weeknd spent US$7 million of his own
Rap Takes Over Super Bowl Halftime, Balancing Celebration and Protest - The New York Times
9 Stars Who Refused The Super Bowl Halftime Show - Blog
Find out who are the artists who refused to play in the Super Bowl halftime show