Sarah Harris defends herself after a fan called her out on having visible ...

Sarah Harris has hit back at a fan who sent her a private message on social media and made lurid remark about the dress she was wearing while presenting Studio 10 on Tuesday. 

The 37-year-old TV host made the shocking message public on her Instagram page.   

The viewer's remark read: 'Are you cold on set today, because your nipples say you are.' 

The sharp as a whip blonde responded to the fan by quoting Ron Burgundy from Anchorman, writing:  'PSA: (To borrow a line from Ron Burgundy) It’s the pleats. It’s actually an optical illusion. Don’t act like you’re not impressed!' 

'It’s actually an optical illusion': Studio 10 presenter Sarah Harris has hit back at a fan who makes a lurid remark about her 'visible nipples' while live-on-air (She is pictured on the show with Richard Reid on Tuesday)

'It’s actually an optical illusion': Studio 10 presenter Sarah Harris has hit back at a fan who makes a lurid remark about her 'visible nipples' while live-on-air (She is pictured on the show with Richard Reid on Tuesday)

Uncalled for: The viewer's remark read: 'Are you cold on set today, because your nipples say you are'

Uncalled for: The viewer's remark read: 'Are you cold on set today, because your nipples say you are'

Sarah's outfit of choice on Tuesday's episode was a white and black checkered dress, which had pleated panelling along the front.

As well as being an incredible TV host and journalist, Sarah is also the proud mother of two young boys with her husband Tom Ward.

The couple are parents to sons Harry, one, and Paul, three.

Meanwhile, Studio 10 recorded a massive boost in its ratings last week, and industry observers have a few reasons why.

Last Monday, the normally low-rating morning talk show drew just 57,000 viewers in the all-important five metro capital cities. 

Checkmate: Sarah's outfit of choice on Tuesday's episode was a white and black checkered dress, which had pleated panelling along the front

Checkmate: Sarah's outfit of choice on Tuesday's episode was a white and black checkered dress, which had pleated panelling along the front 

However, by Wednesday, that figure had rocketed to

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