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Kate Middleton and Sovereign William were helped to remember their imperial wedding on their last evening in Boston.

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Ellie Goulding, who performed at two or three's 2011 wedding party, was likewise an entertainer at William's Earthshot Prize Honors function on Friday.

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After the show, the regal couple, both 40, talked with entertainers behind the stage.

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They were envisioned energetically finding Goulding, who was the voice behind their most memorable dance as a couple.

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The English songstress, 35, who is additionally dear companions with William's cousin Princess Eugenie, recently drilled down into singing at the royals' gathering.

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Goulding entertained the love birds with her rendition of "Your Melody," initially composed by Sir Elton John, a dear companion of the late Princess Diana.

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"Well, discussing alarming… I was anxious to the point that my hands were shaking," Goulding told Australian Vogue in 2016.

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"That was one of my recollections, I peered down and simply seeing this. Chris, my piano player, I investigated at him and he sees me like,

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'In a real sense, you have simply s — yourself. I know it in front of you that you've simply in a real sense crapped yourself.' "