THE Queen went along to one of her favourite annual events at Windsor Castle today (May 13).

The Royal Windsor Horse Show, which will run until May 15, saw thousands enjoy a range of show jumping competitions in the beautiful sunshine.

And Her Majesty was beaming when she showed up watch her horses in action.

Multiple competitions and showings are held in four different arenas, the Castle Arena, The Martin Collins Enterprises Frogmore Arena, the Copper Horse Arena and the Adelaide Arena.

READ MORE: Smiling Queen arrives at The Royal Windsor Horse Show

Day one kicked off with classes, show jumping competitiona, The Musical Ride of The Household Cavalry Mounted Regiment, the Shetland Pony Grand National and many more.

And today saw the Driving for Disabled, which took place in the Adelaide Arena, the Pony Club Dressage and the Azerbajan Land of Fire.

Check out our picture gallery to see some of our favourite photos from the event so far.