Celebrities and Diplomats at the White House State Dinner for British PM (PHOTOS)

The state dinner at the White House welcoming British Prime Minister David Cameron and his wife Samantha on March 14, 2012, is said to be one of the biggest black-tie events to be hosted by President Barack Obama.

The event was one of the biggest glittering state dinners organized till date with diplomats, movie stars and celebrities from the fashion fraternity in attendance.

Among the guests invited for the 280-strong dinner were foreign secretary William Hague, Chancellor of the Exchequer George Osborne, actor George Clooney, Olympian Denise Lewis, Warren Buffett and Vogue editor Anna Wintour.

There were a total of 45 British guests who attended the event, including entrepreneur Sir Richard Branson, Apple designer Sir Jonathan Ive, golfer Rory McIlroy, Homeland star Damian Lewis, actors Carey Mulligan and Idris Elba.

A special attraction of the event was the sumptuous dinner that was described as a meal representing the best of American hospitality and includes playful references to classic British traditions.

Served in a tent on the White House's South Lawn, the meal included a special menu put together by First Lady Michelle Obama and White House Executive Chef Cristeta Comerford, featuring produce harvested fresh from the White House's Kitchen Garden, including baby lettuce, spring onions and fresh herbs.

The first course was a special Crisped Halibut with Potato Crust served on a bed of braised baby kale. The salad was spring garden lettuce with shallot dressing and included a variety of greens, also from the Kitchen Garden.

Start the slideshow to get a glimpse of the White House extravaganza and the celebrities present at the event: