The 23-year-old pop singer Julia Michaels, who co-wrote the song “Fire Starter” for Demi Lovato, at the 2017 KIIS FM Wango Tango in Los Angeles.
The 23-year-old pop singer Julia Michaels, who co-wrote the song “Fire Starter” for Demi Lovato, at the 2017 KIIS FM Wango Tango in Los Angeles.