Julia Michaels is now an accomplished solo artist with two 2018 Grammy nominations, a triple-platinum single, and a new EP titled Inner Monologue Part 1. However, the “Issues” singer has been writing songs for other artists professionally since she was 14 years old. Like Michaels’ solo songs, her co-writes have a refreshing real-world emotional complexity to them, which comes from her unique abilities to talk to pop stars like they’re people and to write about personal experiences from an honest perspective.

Read through for 16 songs we’ll bet you didn’t know owe a little touch of realness to Julia Michaels.

1) The Austin and Ally Theme Song

Julia Michaels wrote the theme for this 2010s Disney show with songwriter Jolene Belle.

2) Force of Nature – Bea Miller

This indie pop ballad is a jam.

3) Kingdom Come – Demi Lovato

Michaels started writing songs for Demi when she was only 20 years old, co-writing “Fire Starter” in 2013.

4) Love Myself – Hailee Steinfeld

Of course, Michaels is behind this upbeat, empowering song about female masturbation.

5) Sorry – Justin Bieber

This song was involved in a lawsuit, but it’s still iconic.

6) Good For You – Selena Gomez

Michaels also co-wrote several other Selena Gomez songs, including “Hands to Myself” and “Bad Liar.”

7) Hurts So Good – Astrid S

This Norwegian artist knew who to turn to make a splash in the U.S.

8) Slumber Party – Britney Spears

Women singing Julia Michaels’ songs always sound like they’re having fun, don’t they?

9) Used To Love You – Gwen Stefani</strong