PHOTO: Kareena Kapoor Khan and Saif Ali Khan begin Bebo's birthday celebration with a kiss; check it out

Kareena Kapoor Khan is celebrating her birthday today, and well, we'd say the night has started on a great note as we have been treated with a photo of the diva. Kareena's birthday celebrations kickstarted on the sets of Dance India Dance as the actress cut her cake and in fact, celebrated with the one and only Saroj Khan. Videos from the sets have been doing the rounds and this weekend, we will see how were the celebrations after all.