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Journalists discuss the odds for the royal baby's name outside the Lindo Wing of St. Mary's Hospital in London on July 22, 2013. Buckingham Palace officials say Prince William's wife, Kate, has been admitted to the hospital in the early stages of labor. Royal officials said that Kate traveled by car to St. Mary's Hospital in central London. Kate, also known as the Duchess of Cambridge, is expected to give birth in the private Lindo Wing of the hospital, where Princess Diana gave birth to William and his younger brother, Prince Harry. The baby will be third in line for the British throne, behind Prince Charles and William, and is anticipated eventually to become king or queen.
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Photographers adjust their camera's outside St. Mary's Hospital exclusive Lindo Wing in London on July 22, 2013.
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Reporters and photographers gather outside St Mary's Hospital on July 22, 2013, in London.
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A general view of the Lindo Wing after the arrival of the Duchess of Cambridge, as the U.K. prepares for the birth of the first child of the Duke and Duchess of Cambridge on July 22, 2013, in London.
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A royal fan poses for a photo with a cake outside the Lindo Wing of St. Mary's Hospital in London on July 22, 2013.
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Royal supporter Terry Hutt poses for a picture outside the Lindo Wing of St. Mary's Hospital in London on July 22, 2013.
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Crowds of tourists gather on the steps of the Queen Victoria Memorial Statue outside Buckingham Palace in central London on July 22, 2013. Prince William's wife, Kate, Duchess of Cambridge, was admitted to hospital today in the early stages of labor as the world awaits the birth of a baby directly in line to inherit the British throne. It will then be made public in the traditional way, with a proclamation signed by royal doctors displayed on an easel in the Buckingham Palace forecourt -- the same easel used to announce William's birth in 1982.
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Royal supporters, right, look on as a couple impersonate Britain's Prince William and Kate, Duchess of Cambridge, as they pose for photographers during a publicity stunt for a daily newspaper outside St. Mary's Hospital in London on July 19, 2013. The media are preparing for royal-mania as Britain's Duchess of Cambridge plans to give birth to the new third-in-line to the throne in mid-July at the Lindo Wing. Cameras from all over the world are set to be jostling outside for an exclusive first glimpse of William and Kate's first child.
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Members of the media wait across from St. Mary's Hospital in London on July 19, 2013.
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A group of women in Duchess of Cambridge masks stand outside the Lindo Wing of St. Mary's Hospital in London on July 18, 2013, where Prince William and wife Kate's baby is expected to be born. The long wait for the birth of Britain's royal baby is record business for bookmakers, as punters worldwide bet on a girl called Alexandra to be born any day now.
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A bookmaker presents the latest odds on girls names outside the Lindo Wing of St. Mary's Hospital in London on July 17, 2013, where Prince William and wife Kate, Duchess of Cambridge's baby is expected to be born. Britain's Prince Charles joked on July 14 that his son William's baby was "hopefully" arriving soon, but wife Camilla went further, saying it could arrive "by the end of the week."
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A press photographer climbs over ladders to look at his position outside the Lindo Wing of St. Mary's Hospital in London on July 17, 2013, where Prince William and wife Kate, Duchess of Cambridge's baby is expected to be born. Queen Elizabeth II, it seems, is just as impatient as her subjects for the royal baby to arrive this week -- because she is going on holiday.
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A man holds a placard as he waits outside the Lindo Wing of St. Mary's Hospital in London on July 17, 2013, where Prince William and wife Kate, Duchess of Cambridge's baby is expected to be born.
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A Prince Harry lookalike poses for a publicity stunt outside the Lindo Wing of St. Mary's Hospital in London on July 16, 2013, where Britain's Prince William and wife Kate's baby is expected to be born.
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Journalists wait outside the Lindo Wing of St. Mary's Hospital in London on July 15, 2013, where Prince William and wife Kate's baby is expected to be born.
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A broadcast journalist holds a copy of a British newspaper as she reports from outside the Lindo Wing of St. Mary's Hospital in London on July 14, 2013.
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Royal supporter Terry Hutt sleeps on a bench outside the Lindo Wing of St. Mary's hospital in London on July 13, 2013, where Prince William and wife Kate's baby is expected to be born.
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Royal well-wishers wait outside the Lindo Wing of Saint Mary's Hospital in London, on July 12, 2013, where Prince William and his wife Catherine's baby will be born. Britain's royal family and the world's media are on tenterhooks awaiting the birth of Prince William and wife Catherine's first child, a baby who will one day be king or queen of Britain and a diverse group of commonwealth countries.
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Representatives from a betting company wear baby masks as they perform a publicity stunt outside St. Mary's Hospital in London, July 12, 2013.
Media are preparing for royal-mania as Britain's Kate, Duchess of Cambridge is expected to give birth to the new third-in-line to the throne in mid-July. Cameras from all over the world are set to be jostling outside for an exclusive first glimpse of Britain's Prince William and the Duchess of Cambridge's first child.
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Jessica Bridge, public relations executive at Ladbrokes, poses for a picture with the day's odds for the royal baby on a chalk board in front of the Lindo Wing at St. Mary's Hospital on July 9, 2013, in London, as the U.K. prepares for the birth of the first child of the Duke and Duchess of Cambridge.
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A souvenir plate to mark the forthcoming birth of Prince William and Kate, Duchess of Cambridge's baby is seen on display in a souvenir shop in central London on July 10, 2013.
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Cameras are set up outside the Lindo Wing at St. Mary's Hospital in London on July 9, 2013, as the U.K. prepares for the birth of the first child of the Duke and Duchess of Cambridge.
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Members of the press mark their positions with aluminum stepladders as they wait outside the Lindo Wing at St. Mary's Hospital in London on July 9, 2013, in preparation for the birth of the first child of the Duke and Duchess of Cambridge.
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A general view of the royal baby inspired baby shower afternoon tea at the St. James Hotel in London on July 9, 2013, as the U.K. prepares for the birth of the first child of the Duke and Duchess of Cambridge.
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A general view of the royal baby inspired baby shower afternoon tea at the St. James Hotel in London on July 9, 2013, as the U.K. prepares for the birth of the first child of the Duke and Duchess of Cambridge.
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A general view of the royal baby inspired "Suite Dreams Nursery" at the Grosvenor House Hotel Park Lane in London on July 9, 2013, as the U.K. prepares for the birth of the first child of the Duke and Duchess of Cambridge.
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A general view of the royal baby inspired "Suite Dreams Nursery" at the Grosvenor House Hotel Park Lane in London on July 9, 2013, as the U.K. prepares for the birth of the first child of the Duke and Duchess of Cambridge.
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Members of the media pass time across the street from St. Mary's Hospital exclusive Lindo Wing in London on July 5, 2013. Media are preparing for royal-mania as Britain's Kate, Duchess of Cambridge, plans to give birth to the new third-in-line to the throne in mid-July at the Lindo Wing. Cameras from all over the world are set to be jostling outside for an exclusive first glimpse of Prince William and Kate's first child.
AP Photo/Lefteris Pitarakis
People sit in St. Mary's Hospital's coffee shop, backdropped by stepladders placed by members of the media across from the hospital's exclusive Lindo Wing in London on July 5, 2013.
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This photo issued by The Royal Mint on July 4, 2013, shows a new silver penny coin that will be awarded to newborns who share their birthday with the baby of Prince William and Kate, Duchess of Cambridge.
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British police officers watch as stepladders are placed by members of the media outside St. Mary's Hospital exclusive Lindo Wing in London on July 3, 2013.
AP Photo/Lefteris Pitarakis
As part of a publicity stunt, people from a bookmakers office dressed as Britain's Queen Elizabeth II, right and a British Guardsman, left, stand with a placard with the odds for the name of the royal baby as they pose for the media outside St. Mary's Hospital exclusive Lindo Wing in London on July 3, 2013.
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A parking suspended sign is displayed outside The Lindo Wing of St. Mary's Hospital in Paddington, west London, on July 2, 2013, in preparation for the birth of a child at the hospital to Britain's Prince William and Kate, Duchess of Cambridge.
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Artist Kaya Mar stands with his latest painting entitled "Kate Middleton" outside the The Lindo Wing of St Mary's Hospital as the U.K. prepares for the birth of the first child of the Duke and Duchess of Cambridge at St. Mary's Hospital on July 2, 2013, in London.
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Souvenir gifts celebrating the upcoming birth of the royal baby of Prince William, Duke of Cambridge and Kate, the Duchess of Cambridge, are seen on sale at a souvenir outlet in central London on June 26, 2013.
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A display of mugs, part of an assortment of souvenir gifts celebrating the upcoming birth of the royal baby of Prince William and Kate, Duchess of Cambridge, on sale at a souvenir outlet in central London on June 26, 2013.
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A shopper holds up a keyring, one of many souvenir gifts celebrating the upcoming birth of the royal baby of Prince William and Kate, Duchess of Cambridge, on sale at a souvenir outlet in central London on June 26, 2013.