The Olympic diver now leads the odds at 4/1, despite the picture being a ‘throw back Thursday’ post to the Youth Olympics in 2010.
Daley has previously fronted ITV’s reality celebrity diving show Splash, but there has been no official confirmation that he will enter the Australian jungle next weekend.
Professional boxer Nicola Adams is the second favourite to join the I’m A Celebrity line-up at 5/1.
Football pundit Robbie Savage is third on the bookies’ list at 7/1, despite having denied rumours about entering the jungle in September.
Other celebrities touted to join the line-up include Tulisa Contostavlos, Michelle Keegan, Max George, Dynamo, Teri Hatcher, Liam Gallagher and Katie Hopkins.
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Melanie Sykes and Gemma Collins have odds on at 16/1 and 14/1 respectively after The Mirror alleged the TV stars were joining the line-up.
As yet, no celebrity has been confirmed to join I’m A Celebrity 2014. The official line-up will be revealed by ITV next week.
I’m A Celebrity Get Me Out of Here starts Sunday 16 November on ITV.
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