Something to celebrate, Ma'am? Beaming Queen watches as her horse wins at Newbury races crowning a VERY happy 91st birthday weekend

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Queen Elizabeth was seen celebrating after her horse 'Call to Mind' won at the races - the day after her 91st birthday.

The Queen was spotted at the Dubai Duty Free Spring Trials at Newbury Racecourse in Newbury, Berkshire, earlier today.

Wearing a blue wool coat with a matching hat, black gloves and a black bag, she was seen beaming after her horse raced to the finish line and was crowned the winner.

Later on, she was given an award by the organisers.

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The Queen was seen beaming and waving to people at the races in Newbury earlier today after her horse, Call to Mind, won

She dressed smartly for the occasion, wearing a blue wool coat with a matching hat, black gloves and a black bag

Later on, she congratulated jockey Ryan Moore (right), and also spoke to her racing manager, John Warren (left)

The thoroughbred was the favourite of the race with odds of 6/4. It is thought that Call to Mind won the Queen around £5,175.

The three-year-old was sired by the famous Irish racehorse Galileo who won the Epsom Derby, the Irish Derby Stakes and the King George VI and Queen Elizabeth Stakes in 2001. 

It is thought to cost around £120,000 to breed with Galileo. 

Yesterday, the Queen quietly celebrated her birthday at her home in Buckingham Palace. 

A troop of the Royal Horse Artillery rode horse-and-gun carriages past Buckingham Palace before staging a 41-gun salute in Hyde Park at noon.

Outside the palace, a band of guardsmen in scarlet tunics and bearskin hats played 'Happy Birthday' during the Changing of the Guard ceremony.

There was a second salute with 62 guns at the centuries-old Tower of London.

The Queen and Mr Warren were seen watching in anticipation with two other racing fans as the horses raced to the finish line

The duo looked ecstatic after 'Call to Mind' won earlier this afternoon. Mr Warren wore a double breasted black suit with a white shirt and a grey tie and Ray Ban sunglasses

The pair looked comfortable in each other's company as they shared a joke during the race. Mr Warren oversees all of Her Majesty's racing and breeding interests

Here she is seen with with trainer William Haggas, who wore a black suit, a white shirt and a blue tie, and the two looked happily at the results

Later on, she was seen cheering on her three-year-old horse, Musical Terms, who had a starting price of 5/2 

The Queen is Britain's oldest and longest-reigning monarch, after she became Queen on February 6, 1952.

She is also the world's longest-reigning living monarch since the death of Thailand's King Bhumibol Adulyadej last year.

The Queen usually spends her birthday privately. She also has an official birthday, marked in June, when the weather is better, with the 'Trooping the Color' military parade.

Call to Mind (centre) the Queen's horse, was seen racing to victory earlier today. The odds of the thoroughbred winning were 6/4

Mr Warren and the Queen were later seen inspecting Call to Mind after he won.  The three-year-old was sired by the famous Irish racehorse Galileo who won the Epsom Derby, the Irish Derby Stakes and the King George VI and Queen Elizabeth Stakes in 2001

She was later given an award for being the winning owner after the Dubai Duty Free Tennis Championships Maiden Stakes