Adam Lambert was performing at the Kennedy Centre Honours on December 26, 2018 when he paid tribute to the legendary singer with his own take on her classic song 'Believe', and moved the pop diva to tears in the audience.

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Footage shows Freddie Mercury singing a Hungarian folk song to Mary Austin in 1986

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The Freddie Mercury Tribute Concert was watched by an estimated half a billion people worldwide. (Photo by Neil Leifer/Sports Illustrated/Getty Images)

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Freddie Mercury appeared gaunt in his final music video 'These Are the Days of Our Lives'

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Adam Lambert, who would go on to perform sold-out stadiums across the world as the lead singer of one of history's most famous and successful bands, waited nervously in front of the judges as they held his fate in their hands.

When unknown Adam Lambert sang 'Bohemian Rhapsody' at TV audition and nearly didn't get through

Freddie Mercury had some iconic shoes to fill. And Adam Lambert knew it.

Adam Lambert confesses fear of following Freddie Mercury before first full Queen concert

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