The Queen is returning to London after her annual winter break at Sandringham.
She boarded a train at King’s Lynn railway station in Norfolk on Wednesday.
The Queen had spent the Christmas period at Sandringham House.
She marked the 66th anniversary of her accession to the throne privately at the estate on Tuesday.
The longest-reigning sovereign in British history became queen on February 6 1952 on the death of her father King George VI.