Emotional Jackie O opens up about 'terrifying' health scare

Jackie 'O' Henderson has bravely gotten candid about a recent health scare she suffered, which she dubbed "terrifying".

The radio personality appeared on TV show Studio 10 alongside her friend and business partner, Gemma O'Neill, to talk about their new business, Besties.

The pair told a story about how, one day while they were getting ready for a photoshoot, Henderson found a lump on her breast while applying fake tan.

O'Neill says her friend called out from the bathroom "in a way that I knew something was wrong".

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"She was standing there, naked – I'm standing there, feeling her breasts – and I said, Yeah, that there is something small in there, actually," O'Neill recounted, as Henderson teared up on the couch next to her.

"We went from the highest of highs to the lowest of lows in the space of five minutes. Now fortunately, we very quickly got you in for a mammogram and we went together the next day.

Thankfully, O'Neill revealed it all ended well. "And she was fine. And everything was fine."

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The pair spoke candidly about the importance of bringing up this story on-air. "The only reason we thought it was worth sharing is because it might encourage other women to check themselves as well," O'Neill said.

Henderson addressed the audience, saying that she knows that many people put off seeking medical advice, as they're scared of receiving bad news. "It's terrifying, it really is," she says.

However, she encouraged everyone watching from home to stay on top of their health.

"But putting it off and off, it really is not the answer. It's so important to get those checks done," she added.

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Last month Henderson and O'Neill – who is also her manager – announced their new event-based business called Besties, which hosts experiences for friends to create memories together.

"Besties is a space that gives you and your BFF the perfect opportunity to spend more time with each other and create additional memories together," the website reads.

"Besties will bring you closer to extraordinary people at engaging events where we will welcome some of the most talked about and high-profile guest speakers to the stage, take you to the most breathtaking and exclusive destinations on group holiday adventures, plus spoil you with ranges of luxe products specifically and personally curated by us for you.

Henderson revealed on Instagram that Gwenyth Paltrow will be coming down to Australia to help launch the business.