William Le Brun, a 21-year-old vocalist from Melbourne, Victoria, emerged as a standout contestant on Australian Idol Season 10 in 2025. Influenced by legends like Elvis Presley, Frank Sinatra, and Michael Bublé, William's passion for swing music brought a unique flair to the competition. He began singing at the age of eight and has since dedicated himself to reviving the timeless charm of swing on modern stages.

Throughout the season, William captivated audiences with his versatile performances. William is vocally diverse and is able to sing operatically, as well as sing songs in French and Italian. His ability to arrange contemporary hits in his swing style was one of the biggest reasons that he became a fan favourite for both young and older audiences on the show.