Billie Eilish to headline Prince William, Kate Middleton's Boston event

Billie Eilish is set to take the stage at the upcoming Earthshot Prize Awards Ceremony in Boston.

The star-studded event will occur on Friday evening and will be joined by William, Prince of Wales, and Catherine, Princess of Wales as the guests of honor.

The Bad Guy singer will sing alongside her brother and frequent collaborator FINNEAS.

The Boston event will feature different acts from renowned artists, including Annie Lennox, Ellie Goulding, Chloe x Halle, and more.

The guest list will also include honorees, who will receive the Earthshot Prize award – the prize inspired by President John F. Kennedy and his celebration of reaching the 10-year goal of landing on the moon.

The artists who will receive the prize are Emmy-winning actor Rami Malek, comedian Catherine O’Hara, and actor Shailene Woodley.

The event will mark the royals’ arrival in the U.S. after over 08 years.