EXCLUSIVE: John Legend & Chrissy Teigen Can't Wait for Daughter Luna to Watch 'Beauty and the Beast'

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John Legend and Chrissy Teigen
are super excited for the day their baby daughter, Luna, is old enough to sit through a movie so they can show herBeauty and the Beast.

The cute couple stunned on the red carpet at the premiere of the new live-action remake of the Disney classic at the El Capitan theater in Hollywood on Thursday. Teigen looked lovely in a semi-sheer red fringed gown, while Legend raised the bar for classiness in a perfectly tailored blue tux.

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WATCH: Ariana Grande and John Legend Team Up for 'Beauty and the Beast' Soundtrack

The couple stopped to talk with ET's Cameron Mathison, where they opened up Legend's contribution to the film -- a re-imagining of the iconic title song, "Beauty and the Beast," with Ariana Grande.

"We were happy to do this song," Legend shared. "We grew up with the song. It's such an iconic original film [and] song, and for us to be able to recreate it, it's been fun."

Now that the "Love Me Now" singer has recorded a Disney tune, the couple are eagerly anticipating the opportunity to show the movie to their 10-month-old daughter.

"She hasn't sat through a movie yet, but it'll come soon," Legend explained. "And she'll be so proud of Daddy."

WATCH: John Legend Shares Intimate Family Moments With Chrissy Teigen and Baby Luna

Teigen is also excited about her husband's involvement in recreating the beloved song, which she says she's "obsessed" with, and has even been teaching herself how to play.

"I think it's such a beautiful melody," Teigen said. "I'm so excited that Luna gets to hear it one day when she really realizes who's singing it. I'm really excited."

The song was originally recorded by Celine Dion and Peabo Bryson, and Legend said he was a bit on edge about the Canadian songstress' reaction to hearing the final version of his cover at the premiere.

WATCH: 'Beauty and the Beast' First Look: Belle Gets Invited on a Dinner Date -- Watch!

"I'm a little nervous!" Legend admitted.

"She's the sweetest human on the planet about it, of course," Teigen interjected. "She doesn't have a bad word in her body, she's so incredible."

"She's very sweet and I hope she likes it," Legend added.

MORE: 6 Things You Didn't Know About the Live-Action 'Beauty and the Beast' Remake

ET caught up with Dion in February, who opened up about Legend and Grande's rendition and said she's "so proud" of what they created. Check out the video below to hear more.

Beauty and the Beast
waltzes into theaters March 17.