The request to write an article about Adele and Celine Dion's emotional encounter at Adele's Las Vegas residency, while also including information about Justin and Hailey Bieber, presents a challenge since the provided sources do not mention Justin or Hailey Bieber at all. Here’s a focused article on the Adele and Celine Dion moment, with a note on why Justin and Hailey Bieber are not included: ## Adele and Celine Dion Share Emotional Moment at Las Vegas Residency In a heartwarming and tearful exchange, Adele and Celine Dion recently shared a poignant moment during Adele's Las Vegas residency show at The Colosseum at Caesars Palace. This venue holds special significance as it was originally built for Celine Dion's 2003 debut residency. During her performance of "When We Were Young," Adele spotted Celine Dion in the audience and was overcome with emotion. She approached Dion, who was seated in a box, and the two singers shared a heartfelt hug. The moment was captured on video and has since gone viral on social media, showing both artists visibly tearful as they embraced. Adele, a long-time admirer of Dion, has often expressed her admiration for the Canadian singer. In 2018, Adele visited Dion backstage during her residency at the same venue and even wore a Dion T-shirt to the show. This recent encounter marked a full-circle moment for the pair, with Adele now performing at the same theater where Dion once held her residencies. Celine Dion, who has been battling Stiff Person Syndrome (SPS), a rare autoimmune and neurological disorder, made a triumphant return to live singing earlier this year at the Paris Olympics. Her appearance at Adele's show was a testament to the strong bond between the two singers and their mutual respect for each other's work. Adele is set to conclude her two-year Las Vegas residency in November and has announced plans to take an extended break from music afterward. This emotional encounter with Celine Dion was a highlight of her residency and a memorable moment for both the artists and the audience. As for other celebrity news, there has been no recent information linking this event to Justin or Hailey Bieber, as the sources provided focus exclusively on the heartfelt exchange between Adele and Celine Dion.