Mariah Carey fans are expressing their concern over videos of the singer’s recent Las Vegas performance. One clip shows Carey, 55, singing “Fantasy” while walking at a slow pace across the stage. Social media users took to the comments of the video,

The Lambs are worried. Mariah Carey’s fan base expressed their concerns for the singer over a video from one of her recent Las Vegas concerts that was posted online last week. A show attendee shared a clip of Carey,

Mariah Carey is performing shows at Dolby Live in Las Vegas as part of her ongoing Celebration of Mimi residency, and a recent clip of the singer on stage has fans concerned.