It is Karisma Kapoor’s birthday today, but, celebrations seemed to have kicked off on Sunday, with a special brunch that brought together Kareena Kapoor Khan with hubby Saif Ali Khan, Sonam Kapoor Ahuja and Anand Ahuja along with their close friends. The Kapoor girls, who are currently holidaying in London, are making it a point to spend some quality family time together, and doing so in style.Dressed in their summer best, the girls and their significant others, hit up a plush restaurant for a long