The couple were both sporting black, with Martha wearing flared pants, a jacket and heels and Michael a T-shirt, shorts and Adidas sneakers.
The pair were sat next to Biggest Loser host, Fiona Falkiner.
The photos come just days after a source told New Idea that Martha has 'no intention' of staying with her PE Teacher husband.
'Martha has no intention of staying with Michael,' the source claimed.
'She's only ever seen this experiment as a way of boosting her profile and launching a reality TV career.'
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