We knew Billie Eilish loved Justin Bieber. Billie Eilish Instagram We knew cause this was her face watching him perform. Billie Eilish Instagram And this is how she reacted when he started following her on Instagram. Billie Eilish Instagram And this was what her mom said in an emo post about the two of them meeting for the first time. View this photo on Instagram Instagram: @undefined But this pic of a lil' Billie from yesteryear truly proves her love for Justin. instagram.com Nevermind Billie's JoJo Siwa look. instagram.com Or her four EOS egg lip balms. instagram.com LOOK AT THE WALL. It's Justin. Everywhere. instagram.com This is the real Billie Eilish!!!! instagram.com Hang this pic in the Louvre!!! Billie Eilish Instagram K BYE!