Photos: Queen celebrates birthday; Kate Middleton looks stunning

Queen Elizabeth II celebrated her birthday Saturday with traditional pomp and circumstance, followed by a visit to her husband in the hospital.

The monarch's actual birthday was on April 21, when she turned 87.

The Duchess of Cambridge, Kate Middleton, was at the birthday celebrations after a busy week marked by the christening of a cruise ship on Thursday. The outfits she wore were stunning.