United Kingdom, Aug. 6 -- Cressida Bonas' experience of motherhood has been "really beautiful".

The 36-year-old actress - who has Wilber, two, and Delphina, who was born in June, with her husband Harry Wentworth-Stanley - has revealed that she has developed a "visceral" love for her children.

She told Country and Town House magazine: "You hear so many different stories and it's just been really beautiful, and really quite emotional as well.

"The love I feel for my son is a love that I wouldn't even be able to describe because at times it feels so visceral, but it's also very challenging."

Despite this, Cressida admits that her experience of motherhood hasn't matched her initial expectations.

The actress - who previously dated Prince ...