Carrie Bickmore, 37, sends fans into a frenzy as she flashes the flesh in a ...

The Project host, Carrie Bickmore sent fans into a frenzy after she flashed the flesh during a nude bubble bath. 

The official Carrie and Tommy show Instagram account shared a 90s throwback snap of the blonde presenter, 37, poking a mysterious body part through the suds in the tub. 

Clad in nothing but an old-fashioned shower cap the '19-year-old' star nonchalantly chatted on a cordless phone as she displayed the extremity, prompting fans to identify the suspicious flesh.

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What's poking out of the bath? Carrie Bickmore, 37, sends fans into a frenzy as she flashes the flesh in a nude bubble bath throwback snap from the 90s 

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What's poking out of the bath? Carrie Bickmore, 37, sends fans into a frenzy as she flashes the flesh in a nude bubble bath throwback snap from the 90s 

'Nipple,' one fan wrote alongside a laughing emoji symbol.  

While another user playfully suggested: 'Nip, nip.' 

'Honestly it looked like a frickin nipple but it's probably a thumbs up, but (the) bubbles are in the way.' 

Meanwhile one astute fan wrote: 'She's covering up for the photo, in case you see through the bubbles. Clearly her thumb! But (it) did take me a minute to work out...too low for her nipple.' 

'Honestly it looked like a frickin nipple but it's probably a thumbs up but bubbles are in the way': 

'Honestly it looked like a frickin nipple but it's probably a thumbs up but bubbles are in the way': 

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