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Regardless of your age, you can't deny the impact and legacy that is Sir Elton John. Just ask Shawn Mendes, Demi Lovato and Patrick Stump of Fall Out Boy, who performed some major classics with the music heavyweight for a very special affair on Wednesday night (January 13). 

For the Los Angeles-based event deemed Island Life Presents Elton John and His Band, the Canadian pop star celebrated the man of the hour with a performance of "Tiny Dancer" alongside the icon and an all-too-appropriate red piano. Entertainment Tonight caught up with Mendes after the show, and he described the evening highlight as nothing short of "incredible."

I had the honour of playing "Tiny Dancer" with @eltonjohn tonight. Unreal. Unforgettable. Thank you!

A photo posted by Shawn Mendes (@shawnmendes) on

While Demi Lovato joined him for a performance of 1979 hit "Don't Go Breaking My Heart," Patrick Stump was on hand to jam out to 1973 single "Saturday Night's Alright (for Fighting)." FOB fans know what a classic this is since the band recorded of cover of it in 2014.

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Elton John also took some time out of his evening to pay tribute to David Bowie with an instrumental performance of the late icon's 1969 classic "Space Oddity."

"What I loved about him towards the end was his incredible privacy during what must have been 10 years of incredibly bad luck with illnesses, bad luck, heart attacks, whatever. He kept it private and in the age we live in, with Twitter where everyone knows everything about everything, he kept it to himself," he told the crowd at one point. "He made two albums without anyone knowing he was making them. He had, you know, obviously treatment for his illnesses without anyone knowing or anyone saying anything. And that is the mystique of the man."

Watch some of the performances from the intimate night with Elton John below!