Bollywood actress Kareena Kapoor Khan said that she is "extremely excited" to share screen space with Aamir Khan in their upcoming movie 'Laal Singh Chaddha'. "It's very special and we have worked very hard. Especially Aamir, he has gone through a lot," she said. In July, Aamir Khan and Kiran Rao announced their separation amid the final leg of shooting.