With a team of four security experts in place and a table at one of London's most discrete eateries on hand, the super-famous family flew managed to fly under the radar for a few hours as they enjoyed their fabulous food.
That was until Jay-Z decided to leave by helicopter.
But just minutes later, Beyonce's hubby Jay-Z blew the family's cover, by exiting the restaurant in true rap star style, in his very own helicopter.
Taking off from a heliport in Battersea, it's thought the rapper could have been on his way to Manchester to continue his Watch The Throne tour later tonight.
Last week the family were spied leaving the swanky out in Paris, with Jay-Z cradling Blue Ivy and Beyonce bringing up the rear in a bold Aztec print top and baggy pink trousers.
What are your thoughts on Beyonce, Jay-Z and Blue Ivy's low-key family outing? Let us know in the comments box below…