In July 2013, Arena performed at the Melbourne Asbestos Cancer Fundraiser, which donated funds raised to support Mesothelioma research undertaken at the Olivia-Newton John Cancer & Wellness Centre and the Austin Hospital, Melbourne. She was also a participant, with partner Damian Whitewood, in the 13th Australian season of Dancing with the Stars which commenced in September 2013 and nominated Barnardos Australia as her charity; the pair finished in third place.
