Britain's Queen Elizabeth watches the Derby at the Epsom Derby Festival in Epsom, southern England.

Britain's Queen Elizabeth smiles next to Prince Philip at the Epsom Derby festival in Epsom, southern England.

Britain's Queen Elizabeth smiles next to Prince Philip at the Epsom Derby festival in Epsom, southern England.

Britain's Queen Elizabeth and Prince Philip talk before the Derby at the Epsom Derby Festival in Epsom, southern England.