It's official: Prince William has finally gotten engaged to his long-term girlfriend, Kate Middleton.

The on again/off again couple of 8 years got engaged in October on a trip to Kenya, and they'll tie the knot in spring or summer of 2011, People reports.

The official statement:

The Prince of Wales is delighted to announce the engagement of Prince William to Miss Catherine Middleton.

The wedding will take place in the Spring or Summer of 2011, in London. Further details about the wedding day will be announced in due course.

Prince William and Miss Middleton became engaged in October during a private holiday in Kenya. Prince William has informed The Queen and other close members of his family. Prince William has also sought the permission of Miss Middleton's father.

Following the marriage, the couple will live in north Wales, where Prince William will continue to serve with the Royal Air Force.

Congrats to the royal couple!

This post has been brought to you by Kate's fabulous hat: