Happy 30th Birthday, Prince William!

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It's good to be Prince William.

The Prince of Wales, Duke of Cambridge, RAF rescue pilot and husband of Kate Middleton celebrates his birthday today. Yep, Wills turns the big 3-0!

William, who got married in 2011, has been in the public spotlight since infancy, but has become a remarkably grounded and accomplished guy.

Happy birthday big guy!

Prince William Waves

While it's hardly cause for celebration, considering the reason we're talking about it in the first place, William also inherits his share of his late mother's estate today.

The sizable inheritance - estimated around $20 million - left him by Princess Diana, who died in a car crash in 1997, is finally available to him on his 30th birthday.

No doubt William will put those pounds to good use for one of his many charities. It's not like he's the type to splurge ... or was hard up for money to start with.

"Whatever the financial position might be, you will see no obvious change of lifestyle over the coming weeks or months," said a royal aide, stating the obvious.

As for his big plans today? "William is spending the day working," a royal source said. "He will be in Gloucestershire to complete a search and rescue course. "

"But he will be marking [his birthday] later. He's going to be having a private celebration with friends and family. Very low-key. Just a simple celebration."

Sounds perfect. In honor of the occasion fit for a king, or at least a duke, click to enlarge some of our favorite Prince William and Kate Middleton pictures below!

Duke, Duchess
Kate Middleton With Prince William
William, Harry and Kate
The Duke and Duchess
William and Kate LOVE
Kate Middleton in Alice Temperley
Duke and Duchess
Man in Uniform
Kate Middleton Engagement Dress
Royally Adorable
Royal Wedding: Kate and William Kiss!
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