"My Strange Addiction" is a song by American singer Billie Eilish from her debut studio album, When We All Fall Asleep, Where Do We Go? (2019). It was written by her brother Finneas O'Connell, who also produced the song. The song has been certified platinum in Canada and has reached number 43 on the US Billboard Hot 100. It also peaked at number 12 in Australia, 21 in Canada and New Zealand, 39 in Norway, 46 in Sweden, 51 in the Netherlands and at 100 in Italy.