collaboration. After signing the deal at the age of 22, she began searching for a last name to use as her stage name, eventually deciding on Max. The name was chosen since it combined elements of being masculine and feminine. From 2016 to 2017, Max adopted her signature hairstyle titled the 'Max Cut', which is seen in her logo as a substitute for the 'A' in Max. On August 4, 2017, Max was featured on the Le Youth song "Clap Your Hands", where she sang two different melodies. 2018–2021: International breakthrough and Heaven & Hell Max released the song "My Way" on April 20, 2018, which peaked at number 38 on the Romanian Airplay 100 chart. On May 11, 2018, "Slippin", a collaboration with Albanian-American musician Gashi, was released. On June 8, 2018, Max was featured on the song "Into Your Arms" by American rapper Witt Lowry. A month later, "Salt" was sent to SoundCloud. On August 13, 2018, she released "Not Your Barbie Girl" as a promotional single. "Sweet but Psycho" was released on August 17, 2018. The song became Max's commercial breakthrough, reaching number one in more than 22 countries including Germany, Switzerland, Austria, Norway, Sweden, New Zealand, and the United Kingdom, where it stayed at number one for four consecutive weeks. In January 2019, the song reached the top of the Billboard Dance Club Songs chart, and later peaked at number 10 on the Billboard Hot 100. Max was also featured on the Vice and Jason Derulo song "Make Up" on October 23, 2018, and made an appearance on David Guetta's 2018 studio album 7 on the track "Let It Be Me". On March 7, 2019, she released the follow-up single "So Am I", which reached the top 10 in Poland, Norway, Finland and the Netherlands. A remix of the song was released on July 3, 2019, which featured South Korean boy band NCT 127. The songs "Blood, Sweat & Tears" and "Freaking Me Out" were released as promotional singles in July 2019. On August 7, 2019, Max was featured on the song "Slow Dance" by American singer-songwriter AJ Mitchell, and released "Torn" as a single on August 19, 2019. On September 4, 2019, she entered a joint co-publishing deal with Warner Chappell Music and Artist Publishing Group. On October 31, 2019, she released a music video for "Freaking Me Out" as a Halloween special. Max won