Dion first announced in January that she'd join Stefani's team for the coming season.
Listen to 'How Does a Moment Last Forever,' Celine Dion's ballad off the 'Beauty and the Beast' soundtrack.
'I stand up for my kids and I feel like I'm the leader of the family,' Dion told Entertainment Tonight.
From Rihanna to Charli XCX, see the best fashion looks from the 2017 Grammy Awards.
'I know Gwen very well. I know her career. I know how beautiful she is all the time,' Dion said.
DNCE and Pentatonix also join the 'Stayin' Alive: A Grammy Salute to the Music of the Bee Gees' concert, marking 40 years of the 'Saturday Night Fever' soundtrack.
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Celine Dion is hitting the road beyond her Las Vegas residency this summer, and hitting the UK for the first time in almost a full decade.
One year after his death, Celine Dion honors Rene Angelil with a tribute video featuring an a cappella cover of Sia's 'My Love.'
Dion and Garth Brooks are reportedly the latest singers who've declined invitations.