A quick glance through former Ladies of London star, Caroline Fleming's, Instagram account reveals cheeky topless holiday snaps captured in Santorini, ski trips and more.

This is perhaps one of the reasons why Crown Princess Mary has been told she has to 'cut ties with her closest Danish friend, Caroline Fleming'.

Woman's Day reported that the 45-year-old princess is 'devastated' by the news that she should 'move away from friends who perhaps don't fit into the royal standard of behaviour any longer'.

Woman's Day reported that Crown Princess Mary (pictured) has been 'banned from seeing her best friend, Caroline Fleming

The publication reported that the 45-year-old princess is 'devastated' by the news that she should 'move away from friends who perhaps don't fit into the royal standard of behaviour any longer' (pictured: Caroline Fleming)

They cited Caroline's 'party lifestyle', which often sees her 'posting shots of herself topless and drinking on Instagram', as one of the reasons she's been 'banned' (pictured: Caroline Fleming)

A royal insider told the publication: 'Because Mary will have such an important role as queen, she really has to choose her close friends carefully' (pictured: Princess Mary and Caroline Fleming together)

A royal insider told the publication: 'Because Mary will have such an important role as queen, she really has to choose her close friends carefully'.

They cited Caroline's 'party lifestyle', which often sees her 'posting shots of herself topless and drinking on Instagram', as one of the reasons she's been 'banned from seeing her best friend'.

'A royal insider says Mary, 45, was told her friendship with 41-year-old Caroline was a bad look for a future queen,' the publication continued.

'A royal insider says Mary, 45, was told her friendship with 41-year-old Caroline was a bad look for a future queen,' the publication continued (pictured: Caroline Fleming)

Caroline Fleming (pictured) enjoys a jet-set lifestyle - recently, she has been seen partying in LA, California and Dubai

Reality TV star, Caroline Fleming, and Princess Mary (pictured with Frederik), have enjoyed a close friendship for many years

Born Baroness Caroline Elizabeth Ada luel-Brockdorff into one of Denmark's oldest families, Caroline (pictured) was married to Rory Fleming, nephew of James Bond creator, Ian Fleming

Reality TV star, Caroline Fleming, and Princess Mary, have enjoyed a close friendship for many years.

Born Baroness Caroline Elizabeth Ada luel-Brockdorff into one of Denmark's oldest families, Caroline was married to Rory Fleming, the nephew of James Bond creator, Ian Fleming.

The pair have two children together, one of whom counts Princess Mary as her godmother.

One of Caroline Fleming's children counts Crown Princess Mary as her godmother (all pictured)

Woman's Day reported, however, that the friends are 'no longer in each other's company' (pictured: Princess Mary and Princess Mary and Prince Frederik)

Woman's Day reported, however, that the friends are 'no longer in each other's company'.

Princess Mary did not attend Caroline Fleming's father's funeral earlier this year, and they have not been seen together recently.

Meanwhile, Caroline continues to live a jet-set lifestyle which plays out on her Instagram profile.

Recent trips include sojourns in California, Los Angeles and Dubai.