Poppy, 27, exchanged vows with Cook yesterday in a star-studded ceremony, reported E!Online.
Maid of Honor Cara, like the bride, wore a Chanel Couture dress and she was reportedly one of 17 bridesmaids.
The couple exchanged vows at St Paul's Church in London, with the bride's father, Charles, escorting her inside.
There were also several famous faces in attendance including Spice Girl Geri Halliwell and composer Andrew Lloyd Webber.