Jamie Oliver's staff throw boss unbelievable birthday bash

While Jamie Oliver is known worldwide as a the TV chef with a social conscience, his reputation as a fantastic boss will come as no surprise to HR Grapevine readers.

And this was cemented further as his engaged employees threw him a 40th birthday bash to remember, capturing his whole experience on camera.

Darth Vader himself arrived to interrupt Oliver in a meeting, leading him through the office where he was greeted with cheers, costumes and cakes from his staff.