Adele on stage in Las Vegas in November 2022Fresh from her emotional surprise meeting with Céline Dion, Adele came face-to-face with another heavyweight A-list during a performance in Las Vegas over the weekend.And this time around, she just happened to be dressed as the Hollywood star in question at the time.On Friday night, the 16-time Grammy winner put a Halloween twist on her usual Vegas residency, paying homage to the iconic ’90s movie Death Becomes Her by taking to the stage dressed as Meryl Streep’s character, Madeleine Ashton.During her performance of When We Were Young, Adele usually walks into the audience to greet audience members – but her rendition got a little derailed when she spotted none other than the Mamma Mia! star in the crowd.Watch the emotional moment for yourself in the video