Lucy clears the test and has been approved to go undercover.
In 2005, O'Neil won the third season of , the first Canadian female to have won.
That year, she won the crown of the Canadian Idol by defeating Goudie and becoming the youngest winner in its history.
In October 2018, O'Neil was cast in the role of Officer Lucy Chen in the television police drama series , where she plays a fellow rookie police officer opposite.
Although she was highly praised by the judges, O'Neil suffered huge setbacks in both the Top 10 and Top 9 weeks of the finals, as she was voted in both the bottom three and bottom two, respectively.