Billie Eilish Hides New Music Easter Egg in "Heartstoppper" Trailer

Billie Eilish is dropping an easter egg about her new music!

According to Billboard, the season 3 trailer for Netflix series "Heartstopper" features a new song from her new album, "Hit Me Hard and Soft."

They note the song is called "Birds of a Feather."

"Hit Me Hard and Soft" is out Friday.

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