The fourth season of the Australian version of the original NBC American reality television series The Biggest Loser, known as The Biggest Loser Australia: Couples, premiered on 1 February 2009 on Network Ten. Series Host Ajay Rochester reprised her role for the fourth season, along with trainers Shannan Ponton, Michelle Bridges and Steve Willis. The show also introduced a new trainer Emma Hutton ("Emazon"). Applications opened mid-2008 for potential contestants. On 27 April, Bob Herdsman was crowned the oldest contestant in Australian History to ever win with a record weight loss of 87.6 kg, or 52.21% of his starting weight, and won $200,000 in prize money.
- Country
- Australia
- Website
- http://www.thebiggestloser.com.au/
