Why did Taylor Swift decline the opportunity to perform at the Super Bowl halftime gig, considering her busy schedule with the 'Eras Tour'? - Quora
Katy Perry Says She Did Not Pay for Super Bowl Gig – Rolling Stone
Super Bowl 2019: Stars Who Have Spoken Out Against the Halftime Performance
Reports: Rihanna, Pink Turned Down Super Bowl 2019 Halftime Offers – WABE
Shakira? J. Lo? This Halftime Show Had Snakes and Indiana Jones - The New York Times
Super Bowl halftime show 2019: 9 burning questions, answered
The Super Bowl Halftime Show Is Impossible to Win - The Atlantic
Rihanna to Headline Super Bowl Halftime Show - News18
9 Stars Who Refused The Super Bowl Halftime Show - Blog
Half-a Dozen Performers Have Rejected Super Bowl Halftime Offers, Report Says
6 Artists Who Turned Down the Super Bowl Halftime Show
Maroon 5's Super Bowl halftime show 'underwhelming' and 'bland'
6 Artists Who Turned Down the Super Bowl Halftime Show
How Hip-Hop Inched Its Way to the Super Bowl Halftime Stage - The New York Times