The singer-turned fashion designer - who was in London last week working on her latest collections - was joined at French restaurant Bouchon Bistro by her soccer player husband David Beckham, their three sons Brooklyn, 12, Romeo, eight, and six-year-old Cruz and her parents Tony and Jackie Adams.
While David carried a bunch of yellow flowers into the restaurant, the boys were spotted holding some brightly coloured balloons for their mother.
Victoria - who is pregnant with her first daughter - took to twitter yesterday to reveal she was enjoying her birthday with her "four boys".
She wrote: "Thank u so much for such beautiful birthday messages!!!! So many beautiful flowers and messages!!!! having a wonderful day with my four boys!!!! x vb (sic)"
Victoria also received flowers from her former Spice Girls bandmates Emma Bunton and Mel C.
In other tweets, she wrote: "Thank u @EmmaBunton for the beautiful flowers also from Jade, beau and baby bump!!!! miss u!! X vb - Thank u @Melaniecmusic for the beautiful flowers!!!!!!!! so kind of u! Miss u! X vb (sic)."