She has since served as a judge on the Australian version of the show since 2013. She appeared on Seasons 1-3 of Dancing with the Stars in Australia in 20. Since 2001, she has appeared in a number of events and films, including: Johnson's first major television appearance was as a professional on Dancing with the Stars, a televised ballroom dance competition.
The couple performed the dance as scheduled, and went on to win the season on .
They were eliminated in the fifth week of competition on 7 April 2009.
For Season 9, Johnson was paired with Donny Osmond.
In Season 14, Johnson was partnered with Jaleel White.
They were the sixth couple to be eliminated, finishing in 7th place.