The 28-year-old singer had a hard time finishing her 2013 break-up anthem during the ‘TikTok Tailgate’ on Sunday. The audience for the pre-Super Bowl concert was a specially-selected group of vaccinated healthcare workers. Miley’s performance featured cameos by Billy Idol and Joan Jett, and she gave Britney Spears a shoutout during her hit ‘Party in the USA.’ #SuperBowl Exclusives from #ETonline : https://www.youtube.com/playlist?list=PLQwITQ__CeH2Y_7g2xeiNDa0vQsROQQgv