Ellie Goulding Performs at Earthshot Awards with Kate Middleton and Prince William

Elton John's "Your Song" was performed by the British singer.

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Prince William and Kate Middleton were reminded of their royal wedding on their final night in Boston.

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On Friday, Ellie Goulding performed at William's Earthshot Prize Awards celebration.

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Backstage, the royal couple, both 40, spoke with performers.

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Goulding, who sang their first dance as husband and wife, was seen enthusiastically catching up with them.

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The 35-year-old British singer, who is acquaintances with Princess Eugenie, recently spoke about singing at the royals' reception.

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Goulding sang Sir Elton John's "Your Song" for the couple.

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