Wondering how those hordes on the Buckingham Palace balcony fit into the royal family tree? Click through for profiles of the British Royal Family.
Queen Elizabeth was born in London in 1926 and ascended to the throne at the age of 27 on the death of her father, King George VI.
The Queen is the constitutional monarch of 16 sovereign states and their territories and dependencies, and head of the 54-member Commonwealth of Nations.
Her 62 year reign is the second longest for a British monarch, beaten only by Queen Victoria’s 63 years.
The Queen and Duke of Edinburgh have four children: Prince Charles, Princess Anne, Prince Andrew and Prince Edward.
Keep clicking to acquaint yourself with the rest of the royal family…
Margaret Rhodes was the Queen's first cousin, and one of her best friends and most trusted confidantes.
She was born in Westminster on 9th June 1925 and died at Windsor, aged 91, on 25th November 2016. Less than a year older than Queen Elizabeth, Margaret, who was the Queen Mother's niece, spent childhood summers at Balmoral with the Princesses Elizabeth and Margaret. "We were circus horses or riding ponies or anything you like," she told the BBC's royal correspondent Peter Hunt. "But it involved a lot of neighing and cantering and galloping."
She worked at MI6 as a secretary during World War Two, was one of the Queen's bridesmaids at her wedding to Prince Philip, and continued to visit her cousin regularly for post-church drinks whenever the two were at Windsor throughout the ensuing decades.
She served as her aunt's Woman of the Bedchamber from 1991 until the Queen Mother's death in 2002. Her aunt privately referred to Margaret as her "third daughter".
She had two daughters and two sons with her late husband, the writer Denys Gravenor Rhodes (1919-1981).
The Duke of Edinburgh, born Prince Philip of Greece and Denmark in 1921, is Britain's longest-serving consort.
Exiled from Greece with his family as a child, Philip was educated in Germany, England and Scotland and joined the Royal Navy in 1939.
After being granted permission by George VI to marry Elizabeth, Philip abandoned his Greek and Danish royal titles, converted from Greek Orthodoxy to Anglicanism, and became a naturalised British subject, adopting the surname Mountbatten from his British maternal grandparents.
Prince Philip is famous for his outspoken nature and his gaffes are legendary.
Charles, born 1948, is the eldest child of Queen Elizabeth II and Prince Philip. He is the longest-serving heir apparent in British history.
As well as his royal duties, Prince Charles founded The Prince's Trust in 1976 and is patron of many other charitable and arts organisations. The Prince has championed organic farming, and has his own Duchy Originals line of products.
His 1981 marriage to Lady Diana Spencer produced two sons, Prince William, Duke of Cambridge and Prince Harry of Wales. The couple divorced in 1996 and he married Camilla Parker-Bowles in 2005. She now uses the title Duchess of Cornwall.
Born in 1982, William was the first child of Prince Charles and Diana, Princess of Wales.
The second in line to the British throne is a pilot with the RAF Search and Rescue Force. He was educated at Eton, and after a gap year, the University of St Andrews where he met his wife, a fellow History of Art student.
The couple became engaged in October 2010 in Kenya and married in April 2011 at Westminster Abbey.
Prince William is also a keen polo player, footballer and motorcylist.
The wife of Prince William, Kate Middleton is the eldest of Carole and Michael Middleton's three children.
She was educated at Marlborough School and studied History of Art at the University of St Andrews, where she met her prince.
As well as carrying out royal duties, Kate supports four charities: The Art Room, the National Portrait Gallery, Action on Addiction and East Anglia Children's Hospice.
The Duke and Duchess of Cambridge have two children, Prince George and Princess Charlotte.
Prince Harry of Wales was born in 1984, the younger son of Prince
Charles and Princess Diana. He is third in the line of succession to the
throne, behind his father and brother.
An Army officer since
2006, Harry has served on the front line in Afghanistan. In March 2012,
Harry led an official visit to the Caribbean as part of the Queen's
Diamond Jubilee celebrations - and even beat Usain Bolt in a friendly
The Duke of York was born in 1960, the third child for the Queen and Prince Philip.
He joined the Navy in 1979 and fought in the Falklands War aboard the aircraft carrier HMS Invincible.
His marriage to Sarah Ferguson ended in divorce in 1996, but the couple remain close and live together with their children, Princesses Beatrice and Eugenie.
Princess Beatrice is the elder daughter of Prince Andrew, and the first female in the line of succession.
She was born in 1988 and graduated from Goldsmiths, University of London last year with a BA in History and History of Ideas.
Princess Eugenie was born in 1990 and is the younger daughter of Prince Andrew and Sarah Ferguson.
has just graduated from Newcastle University with a Combined Honours BA
degree in Art History, English Literature and Politics.
Prince Edward, born in 1964, is the youngest child of the Queen and Duke of Edinburgh.
In 1999 he married Sophie Rhys-Jones, then a PR executive.
James, Viscount Severn, is the second child and only son of Prince Edward and the Countess of Wessex.
He was born in 2007 and his first public appearance was at the Jubilee Thames river pageant.
Lady Louise, born 2003, is the elder child and only daughter of Prince Edward, Earl of Wessex, and Sophie, Countess of Wessex.
She was a bridesmaid at the wedding of Prince William and Kate Middleton.
Anne, Princess Royal, is the Queen's only daughter.
A talented rider, in her equestrian career she won two silver and one gold medal at the European Eventing Championships and was the first member of the British Royal Family to compete in the Olympics.
Currently married to Vice-Admiral Sir Timothy Laurence, she has two children from her previous marriage to Mark Phillips, Peter and Zara.
The first child of Princess Anne and Captain Mark Phillips, Peter Phillips was born in 1977.
He married the Canadian Autumn Kelly in 2008 and the couple have two children, Savannah (pictured) and Isla (the bump!)
Zara Phillips was born in 1981 and is Princess Anne's only daughter.
She has inherited her mother and grandmother's talent and love of equestrianism. A former European Champion eventer, Zara is representing Great Britain in this summer's Olympic Games.
Zara is married to Gloucester and England rugby union player Mike Tindall.
Viscount Linley is the only son of Princess Margaret. He is a furniture maker and chairman of the auction house Christie's UK.
He once dated Susannah (of Trinny and Susannah fame) but married the Hon. Serena Stanhope in 1993. The couple have two children, Charles and Margarita.
Margarita, born 2002, was a bridesmaid at last year's Royal Wedding.
Her older brother, Charles, is a Page of Honour to the Queen.
Lady Sarah Chatto is the only daughter of the 1st Earl of Snowdon and Princess Margaret.
Lady Sarah is a professional painter and has two children, Samuel and Arthur.
Born in 1944, Prince Richard is Duke of Gloucester and the Queen's first cousin.
Married to the Danish Birgitte van Deurs, the Duke has three children: the Earl of Ulster, Lady Davina Lewis and Lady Rose Gilman.
Alexander Windsor, Earl of Ulster was born in 1974 and is the only son of the Duke of Gloucester.
He is married to Claire Booth, a physician, and the couple have two children - Xan (Baron Culloden, pictured) and Lady Cosima Windsor.
Lady Davina Lewis, born 1977, is the elder daughter of the Duke of Gloucester.
Her husband, Gary Lewis, was the first Maori to join the royal family. The couple have a daughter, Senna Kowhai (pictured, born 2010) and a newborn baby.
The younger daughter of The Duke and Duchess of Gloucester, Lady Rose Gilman was born in 1980.
She works in the film industry as an art assistant, and worked on the Harry Potter films. Lady Rose and her husband George have one daughter, Lyla, born in 2010.
Prince Edward, Duke of Kent was born in 1935 and is a first cousin of the Queen.
The Duke is President of the All England Lawn Tennis and Croquet Club, and presents the trophies to the Wimbledon champion and runner-up.
The Duke and Duchess have four children: George Windsor, Earl of St Andrews; Lord Nicholas Windsor and Lady Helen Taylor.
George Windsor, born 1962, is the eldest son of Prince Edward, Duke of Kent. His marriage to the Catholic Sylvana Tomaselli removed him from the line of succession.
The Countess is a historian and Fellow of St John's College, Cambridge.
The couple have three children, Lord Downpatrick, Lady Marina-Charlotte Windsor and Lady Amelia Windsor. As both Lord Downpatrick and Lady Marina-Charlotte have converted to Catholicism, Lady Amelia is the only member of the family who remains in the line of succession to the British throne.
The youngest child of the Duke of Kent, in 2001 Lord Nicholas Windsor became the first male blood royal to convert to Catholicism since Charles II in 1685. He was also the first member of the British royal family to marry in the Vatican.
His two children, Albert and Leopold (pictured) have also been baptised as Catholics.
The only daughter of the Duke of Kent, Lady Helen Taylor is an ambassador and muse to Giorgio Armani.
She is the only one of the Duke of Kent's children that remains in the line of succession to the British throne - both of her brothers married Catholics.
Lady Helen and her husband Timothy have four children: Columbus, Cassius, Eloise and Estella.
Princess Alexandra, The Honourable Lady Ogilvy is the youngest granddaughter of King George V.
She married the Hon Angus Ogilvy, who declined the Queen's offer of an Earldom - which meant that their two children, James and Marina, carry no titles.
Prince Michael of Kent, born 1942, is the cousin of the Queen and grandson of King George V and Queen Mary.
Prince Michael lost his place in the line of succession when he married the Roman Catholic divorcee Baroness Marie-Christine von Reibnitz.
They have two children, Lord Frederick and Lady Gabriella Windsor.
Lord Frederick Windsor (known as Freddie) is the only son of Prince and Princess Michael of Kent.
Born in 1979, he is a financial analyst in the City. He married the actress Sophie Winkleman (pictured) in 2009.
Lady Gabriella Windsor is the only daughter of Prince and Princess Michael of Kent, born in 1981.
She is a graduate of Brown University and Oxford, and a freelance feature writer.