BBC presenter Helen Skelton sent viewers into meltdown by wearing a revealing outfit hosting coverage of the Rio Olympics.

Former Blue Peter star Skelton flashed more than she intended in a skimpy dress as she fronted coverage from the swimming pool in Brazil.

6 BBC presenter Helen Skelton send pulses racing in her skimpy outfit

The 33-year-old was trending on twitter after those tuning on for the sporting coverage caught a glimpse of her underwear.

And she was on the brink of even more embarrassment by continuing to swivel in her chair to expose her shapely legs from behind a table.

6 Helen Skelton flashed her underwear as her skimpy dress rode up too far while presenting BBC coverage of the Rio Olympics

6 Ex-Blue Peter presenter Skelton shows off her legs as she swivels in her chair while speaking to Becky Adlington and Mark Foster

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Skelton was hosting the evening session from the pool in Rio with former double Olympic champion Becky Adlington and Mark Foster.

There was not much joy for Team GB overnight, with Hannah Miley missing out on a bronze medal by a whisker and James Guy trailing home sixth in his final.

But social media was awash with comments from viewers back in the UK, some of whom questioned whether she had forgot to get fully dressed.

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Mum-of-one Skelton has moved into sports presenting with the BBC after starting her mainstream career on children's show Blue Peter.

She has established herself as one of the top young talents on the channel -and also gained huge respect for her daredevil fundraising exploits.

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She became only the second woman to complete a 78-mile ultra marathon before kayaking up the entire Amazon river.

Skelton also tightrope walked between the towers of Battersea Power Station before completing a trek to the South Pole.