The Long wait is over! The royal baby was born at 4:24 AM weighing 8.64 lbs.  

Duchess Kate and Prince William's first child...
Clarence House and New Idea's royal sources have confirmed the news on Twitter. Here are the following tweets

"Her Royal Highness The Duchess of Cambridge has been admitted to St. Mary’s Hospital, Paddington, London in the early stages of labour."
"The Duchess travelled by car from Kensington Palace to the Lindo Wing at St. Mary’s Hospital with The Duke of Cambridge."
Reports said that Prince William accompanied Kate to the hospital and is by her side
Reports also said that according to a Palace source, Duchess Kate stashed sugary sweets in her prepared suitcase to 'give her energy'.
Clarence House will officially announce the news in the traditional manner of posting a notice on an easel the Palace.
As the excitement continues...England's Prime Minister David Cameron will be notified about the royal bub's arrival before anyone else.
The news will then be announced on and offline.