Chelsy Davy (left) and Cressida Bonas arrive at the wedding.

Two of Prince Harry's ex-girlfriends have turned up to his wedding, but they were invited and Meghan Markle was reportedly OK with them attending. 

Chelsy Davy and Cressida Bonas arrived at the royal wedding together. 

Davy dated Prince Harry on and off for seven years between 2004 and 2011. 

After that, Princess Eugenie introduced Prince Harry to Bonas, and they dated from 2012 to 2014. 

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ANDRES LEIGHTON / AP

Prince Harry and Chelsy Davy chat while attending the cricket in 2007.

Singer Ellie Goulding, who is rumoured to have dated Prince Harry, has also been invited to the wedding.

In 2011, she performed at Prince William and Kate's wedding. 

GETTY

Cressida Bonas and Prince Harry. (file photo)

DAVID M BENETT/GETTY

Ellie Goulding and Prince Harry. (file photo)

 - Stuff