TomKat host the house party of the year (with Posh and Oprah on the guestlist)

Unlike most couples, the celebrity duo's housewarming guestlist included Oprah and Posh and making the affair possible required heavy security and a troop of caterers.

Tom gives fans a wave as he, Suri and Katie go inside to get the party started

At the lavish unveiling of the ultimate A-list home, black car after black car rolled up the grand driveway to congratulate the Cruises on their new nest.

Holding little daughter Suri in his arms, Tom looked delighted to see his guests and waved to onlooking fans.

Victoria jetted in to make her LA best friends' bash

Actress Kirstie Alley showed her daughter Lillie how the A-list throw a party

And considering he had the biggest names in Hollywood attending his bash, it's no surprise he was a happy camper.

Despite attending Simon Fuller's wedding this weekend, Victoria Beckham managed to make an appearance.

With her bob pushed back by a black hairband the 34-year-old looked her usual stylish self and the busy weekend did not seem to have taken it's toll.

The first lady (of television) Oprah Winfrey was among the star-studded guests

Along with chatshow queen Oprah, Kirstie Alley and Brooke Shields were also in attendance - the former escorted by her daughter and the latter by her husband.

Singer Jennifer Lopez arrived alone, presumably leaving husband Marc Anthony holding the babies.

Preparation to execute the housewarming party of Hollywood's premiere couple started early yesterday morning.

And considering the army of staff deployed  to the sprawling Beverley Hills mansion, it's safe to say the usual house party staples of Pringles and warm beer were probably not on the menu.

Operation housewarming: An army of staff ensured the Cruises' party went off without a hitch