EXCLUSIVE: Celine Dion on Recording New 'Beauty and the Beast' Song: 'I Couldn't Say Yes Right Away'

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Celine Dion knew that in returning to Beauty and the Beast, she was returning on her own.

The 48-year-old singer opened up to ET about making the decision to record a song for the latest movie incarnation of the classic fairy tale -- without the guidance of her late husband, Rene Angelil -- at the live-action film's premiere in Los Angeles on Thursday.

EXCLUSIVE: Celine Dion on Life After Rene Angelil's Death: 'I Am the Leader of My Family'

"My first Beauty and the Beast, the decision was made with my husband. Now I'm making decisions on my own. It's a little bit harder," she explained. "I couldn't say yes right away, because I felt like I was kind of cheating in a way."

Well, thankfully, the singer decided to sing again for the revival movie starring Emma Watson, this time with the perspective of how transformative the 1991 animated version was in her career.

EXCLUSIVE: Celine Dion Opens Up About Singing New Song for 'Beauty and the Beast' 26 Years After the Original

"I was at the beginning of my career, it put me on the map," Dion acknowledged. "It put me where I am today."

Beauty and the Beast hits theaters on March 17.

WATCH: Celine Dion Remembers Her Late Husband René Angélil On Stage at the GRAMMYs in a Stunning Gown

Meanwhile, Dion recently spoke to ET about her plans to own 2017 following her tragic losses last year.

Watch the video below for more.