Halsey,The Killers and Chance the Rapper are also among those taking the stage at the three-day festival in Watkins Glen, New York.
The private bash was attended by A-listers like Katy Perry, Leonardo DiCaprio and Rihanna.
Royalty at its finest!
The singer and her husband, Jay-Z, attended the 'Black Panther' actor's birthday celebrations in Hollywood on Friday.
The duo arrived to the event looking straight out of the runway.
A source tells ET that the 'Black Panther' star was joined by a slew of his pals at Delilah in West Hollywood on Friday night.
The hip hop mogul's record label Roc Nation is providing the legal assistance, ET has learned.
Will Bradley Cooper, Lady Gaga and Kendrick Lamar start the final push to the Oscars with gold on GRAMMY night?
The 'Best Thing I Never Had' singer is trying to encourage fans to go meat-free.
The "What's Free" rapper is working to ensure his story of imprisonment becomes a thing of the past.
The 'Astroworld' rapper's upcoming performance with Maroon 5 continues to stir up controversy for those standing with Kaep.
The rapper reacted to the recent controversy while sitting down with ET Live on Thursday.
Beyonce's gave her fans a holiday gift in the form of some rare, heartwarming family photos of her 1-year-old twins.
The rap feuds were put aside for a night.
