Bequeathed estate- Prince William embarks on his first official engagement with his mother in Cardiff in 1991.


Coming of age- Harry and William with their parents and housemaster Dr Andrew Gailey on William's first day at Eton College in 1995. The princes were 15 and 12 when their mother died two years later

Looking after her sons- Diana with William and Harry on holiday in the Virgin Islands in 1990. Harry will inherit his half of the trust fund when he turns 30 in 2014

Milestone -Prince William and his wife the Duchess of Cambridge celebrate his grandmother's Diamond Jubilee earlier this month a few weeks before he turns 30 today

Windfall- Prince William takes his first steps with a little support from Princess Diana on a tour Down Under with his mother and father in 1983

As if he wasn’t already rich enough… Prince William can inherit a huge trust left by his late mother today, on his 30th Birthday!
Britain’s Prince William celebrates his 30th birthday Thursday, triggering a clause in his late mother Diana’s will that could see him inherit more than £10 million ($15.7 million).
When Diana died in 1997, she left a trust — worth £12.9 million at that stage — to her two sons, then aged 15 and 12, The (London) Times reported.
Its value has since grown and it is believed to be now worth more than £20 million. Prince Harry’s share will be available to him on September 15, 2014.
Speculation that William and wife Catherine — the Duke and Duchess of Cambridge — may use the money to buy a country house has been dampened by suggestions he is about to sign up for another tour with the Royal Air Force’s Search and Rescue team.
“There has been speculation about the duke and duchess having a house built but there are no plans for that at all,” a royal aide told us. “If the duke decides next year to continue his search and rescue career he might well have to move to another base … so the idea of a new house just isn’t on the radar at the moment.”
William and Catherine, who married last year, are expected to celebrate his milestone with friends before returning to their rented farmhouse on Anglesey, an island off the North West coast of Wales.
A St James’s Palace spokesman would not give any details about how the Duke celebrated his birthday only saying 'He’ll be spending it in a low-key, private fashion.'
His wife Kate, who turned 30 in January, is almost certainly to be behind any events that are planned, and also has the tricky job of finding a present for her husband.
A few close friends were invited to the occasion which could be a quiet meal at their home in North Wales. To celebrate, budget supermarket Aldi has recreated Prince William's favourite cocktail at a fraction of the usual £135 price.
The store sends a selection of ingredients to Kensington Palace which enable William to serve the 'Aldiki' for a mere £3.23 per person.
It is a version of the famous Mahiki Treasure Chest which is enjoyed by royals, actors and musicians alike at trendy London bar, Mahiki, and includes an exotic mix of rum, brandy, peach schnapps and fruit juice.