Billie Eilish has previewed one of her new tracks in the teaser for season three of Netflix‘s Heartstopper.The hit Netflix series is a coming-of-age romantic comedy-drama focusing on the friendships and relationships of secondary school students at the fictional Truham Grammar School.In the new teaser, Charlie – played by Joe Locke – stands in front of his mirror practising telling his boyfriend Nick – played by Kit Connor – “I love you.” While practising, Charlie’s sister Tori – played by Jenny Walser – enters and offers him some sisterly advice.The moment is soundtracked by a snippet of Eilish’s unreleased track ‘Birds Of A Feather’. “I’ll love you till the day I die / Till the day that I die” she sings over a bright and upbeat blend of drums and guitar.
