WATCH: Céline Dion Takes In Lady Gaga's Vegas Show

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Céline Dion couldn’t contain her excitement while watching Lady Gaga perform in Las Vegas on Sunday night.

Fans captured clips of Dion on her feet while Gaga belted out her 2011 hit “The Edge of Glory.”

Gaga just started her Enigma residency at the Park MGM resort. On stage, she pointed Dion out to the crowd and said Dion had gone backstage before the show to offer her support.

“I swear to you, the number of women that I can count on one hand that are supportive in this industry, it's like I would lose fingers,” Gaga reportedly said. “You are amazing.”

Dion, who has been performing at Caesars Palace in Las Vegas since 2011, will end her residency in June.

Check out fan-shot clips of Dion living her best life at Gaga’s show: