Popular muser with 290,000 fans on the app under the name leomills9. He gained fame as the younger brother of Max and Harvey Mills.
He earned a scholarship as a Queens Chorister, affording him to the opportunity to attend boarding school and sing in the chapel choir six days a week.
He began composing his own songs in addition to already being skilled as a pianist and trombonist.
He is the middle child between twins Max and Harvey and younger sister Tilly. All of his siblings are on musical.ly as well. His parents are Sara and Paul Mills.
He posted a video to musical.ly that featured Richard McCourt and Dominic Wood of the comedy duo Dick and Dom.