The Voice top 8 became 5.
In an interview with Tamron Hall, Ludacris says his 10th studio album will arrive next year.
She'll lead the first cast to not feature Blake Shelton.
Judges Katy Perry, Lionel Richie and Luke Bryan will also perform on the three-hour season capper.
Five became three as America cast its votes.
"I have always been, and will continue to be, committed to creating and maintaining a safe and healthy environment," she said.
The star-studded ad features cameos by Tony Hawk, Jimmy Kimmel, Magic Johnson & more.
The rapper stars in his feature film debut opposite Sinqua Walls and Teyana Taylor.
Season nine premieres with two episodes streaming exclusively on Paramount+ on Friday (May 17).
The pop star siblings debuted album cut "Summer Baby" live on NBC's morning show.
