Billie Eilish mourns the loss of her beloved dog Pepper: 'You made it 15 years you f***ing beast!'

Hayley Williams brings out surprise guest Billie Eilish to sing All I Wanted during Paramore's LA concert amid band's This Is Why Tour

Billie Eilish Takes a Stroll Down Memory Lane in ‘What Was I Made For’ Behind-the-Scenes Video

Billie Eilish Joins Hayley Williams for ‘All I Wanted’ at Paramore’s Los Angeles Concert