Internet +100%
Embargoed to 0001 BST Thursday April 21, 2016. EDITORIAL USE ONLY Conditions of use: This image may be used free of charge, for
Embargoed to 0001 BST Thursday April 21, 2016. EDITORIAL USE ONLY Conditions of use: This image may be used free of charge, for 21 days from release, until 12th May 2016. For use or reproduction in any format on any platform after this date, please refer to Royal Communications for approval. Mandatory Credit: Photo by REX/Shutterstock (5658316c) In this official photograph released by Buckingham Palace to mark her 90th birthday, Queen Elizabeth II is seen walking in the private grounds of Windsor Castle on steps at the rear of the East Terrace and East Garden with four of her dogs: clockwise from top left Willow (corgi), Vulcan (dorgie), Candy (dorgie) and Holly (corgi). Queen Elizabeth II 90th birthday celebrations, Windsor Castle, Berkshire, Britain - 20 Apr 2016