Mariah Carey helped to toast the engagement of two gay fans on Saturday after inviting them on stage during her Las Vegas show for the proposal.

The Hero hit-maker was performing the final concert of her Sin City residency at The Palms when she brought the couple onstage and handed over the microphone to one man.

The fan even took inspiration from Carey's husband Nick Cannon by getting down on one knee and presenting his partner with a candy ring, similar to the one the America's Got Talent host gave to the superstar last year.

The partner accepted the proposal and Carey celebrated with the couple by toasting their happy news with champagne.

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(This news article provided by World Entertainment News Network)