Celine Dion Leads an Epic Cher Singalong Backstage at the Billboard Music Awards -- Watch!

Watch Celine Dion Lead an Epic Cher Singalong Backstage at 2017 …

Joe Jonas Sports Wedding Ring Amid Reports of Sophie Turner Marr…

Sophie Turner and Joe Jonas Break Silence on Divorce and Address…

Shakira on Returning to VMAs Stage After 17 Years and 'Incredibl…

Måneskin on Fighting Over Who Gets to Keep VMA Trophy (Exclusive)

Taylor Swift Stuns in Versace on the 2023 MTV VMAs Red Carpet

Diddy's Daughters on Him Entering His 'Love' Era

TOMORROW X TOGETHER on Winning First VMA (Exclusive)

VMAs 2023: Taylor Swift Loses It Over *NSYNC Presenting Her Best…

Offset Hints at More Cardi B Collabs (Exclusive)

VMAs 2023: Shakira Performs Her Biggest Hits Before Receiving Vi…

How Renee Rapp’s Music Gave Her a New Attitude (Exclusive)

Selena Gomez Stuns in Red Hot Dress on the MTV VMAs Red Carpet

Anitta on Making History at the VMAs (Exclusive)

VMAs 2023: Peso Pluma Calls 3 Nominations a 'Dream Come True' an…

Doechii on Embracing 'Trashy Core' at the 2023 MTV VMAs (Exclusi…

GloRilla on Collaborating With Cardi B and What She's Learned Fr…

Nelly Furtado on Bringing Back Nostalgia With Timbaland Collab a…

Diddy Reflects on Late Ex Kim Porter After Rocking the Stage Wit…
Cher was honored with the Icon Award at the 2017 Billboard Music Awards on Sunday night, and received a standing ovation from the crowd at Las Vegas’ T-Mobile Arena for her amazing performances of classic hits “Believe” and “If I Could Turn Back Time.” But there may have been no bigger fan in the house than Celine Dion!
Dion was backstage after her own nostalgic performance -- a show-stopping rendition of her biggest hit, “My Heart Will Go On,” in honor of Titanic’s 20th anniversary -- when Cher took the stage, and just had to take a moment to celebrate her fellow timeless diva. The Insider’s Keltie Knight captured the amazing moment on Instagram, as Dion let a group of reporters in a “Believe" singalong:
The two even met up backstage after Cher's second performance, where there was presumably a lot of mutual fangirling.

And the Canadian superstar wasn’t the only one wowed by Cher’s mind-blowing performances of her classic hits (one day after her 71st birthday, no less!). The Billboard cameras also captured several superstars celebrating the Goddess of Pop’s unending onstage prowess, including Billboard Music Awards co-host Vanessa Hudgens:
Baby Driver star Ansel Elgort got his groove on, while Diddy declared himself “not worthy”:
And Gwen Stefani, who presented Cher with her award, seemed surprised to even be sharing the stage with such greatness:
RELATED: Billboard Music Awards 2017: The Complete Winners List
Cher’s son, Chaz Bono, also cheered his mother on from the crowd:
See more from the 2017 Billboard Music Awards in the video below!
WATCH: Rita Ora Bares Booty in Cher-Inspired Thong Body Suit Dress at Billboard Music Awards