A spokesperson for the royal said that she's 'very sorry and distressed' for wearing the brooch, adding it was a gift she's worn many times before, without controversy.
The full statement said: 'The brooch was a gift and has been worn many times before.
'Princess Michael is very sorry and distressed that it has caused offence.'
Princess Michael, who is married to the Queen’s cousin, Prince Michael, could clearly be seen wearing the jewellery on her coat.
Blackamoor are a genre of figurines, small sculptures or jewellery which depict largely men, but sometimes women, with black skin usually from the 18th century.