Michaels signed with Republic Records in 2016 and released her debut single, "Issues", on January 13, 2017.

[1][2] The song peaked at number 11 on the US Billboard Hot 100 and reached the top 10 in various countries, including Australia, Belgium, Denmark, Norway, and the UK.

Michaels was featured on Clean Bandit's single "I Miss You" (2017), which reached the top 10 in Belgium, Ireland, the Netherlands, and the UK.

In 2018, Michaels did several features and contributed the song "Heaven" to the Fifty Shades Freed soundtrack.

Later that year, Michaels featured on JP Saxe's single "If the World Was Ending", which reached number 27 on the Billboard Hot 100 and the top 30 in several other countries.