Holly Willoughby re-lives embarrassing moment her dress SPLIT wide open exposing her knickers at 10 Downing Street

HOLLY Willoughby was forced to re-live the embarrassing moment her dress split wide open at 10 Downing Street earlier today.

The 38-year-old beauty ended up exposing her “huge” knickers, with the star recounting the moment during This Morning.

After awkwardly refusing to answer an intimate question about her sex life during a segment with Dawn Ward and Dawn Neesom, conversation moved onto the women’s biggest fashion fails.

Holly revealed that she was left stranded in the Downing Street toilets when her dress completely came apart during a visit in 2016.

The mother-of-three was unable to call for help as she’d handed in her mobile phone at security.

She shared: “One of the most embarrassing moments of my life was when I went to 10 Downing Street and when you go in you have to give your phone in for security.

“I was wearing a dress that had a zip top to bottom at the back.

“I went to the loo and as I went to pull my skirt up the zip just went bang and the dress just split in half. There was nothing I could do about it.”

Detailing how she got out of the tricky situation, the TV favourite admitted that she was forced to wear her coat for the remainder of the evening.

She continued: “Luckily I was wearing huge knickers but I couldn’t ring anyone to come and help me.

“I had to wait until a lady came in and I had to say can you go and find my husband and ask him to bring my coat.”

While she was speaking, a censored photo of the horrifying moment flashed up on the screen, with Holly red-faced as she recounted her ordeal.

Earlier, Holly remained coy about her sex life as she dodged a question about how often she and husband Dan Baldwin make love.

The panel were discussing a recent survey that found a third of all women are uninterested in being intimate – and while Dawn Ward was happy to reveal she and her husband have sex three times a week, Holly wouldn’t have any part in it.

Visibly blushing, she giggled: “I am not part of this. This is not something anyone needs to know.

“I can be honest with my friends but I am not going to talk about this on air.”