United Kingdom, Aug. 16 -- Mariah Carey was "very much the support act" during her recent stay at a London hotel.

The 56-year-old pop star stayed in an upmarket hotel in Central London - but Mariah's presence was overshadowed by another guest, Ukrainian President Volodymyr Zelensky.

A source told The Sun newspaper's Bizarre column: "Zelensky's entourage made Mariah look tiny by comparison.

"She was well and truly outranked on the luxury ladder.

"Mariah is used to being number one wherever she goes - but this time, she was very much the support act."

The Ukrainian President was "given the royal treatment" during his stay at the plush hotel.

The insider said: "Zelensky's security detail made it clear this wasn't your average celebrity...