Happy Birthday Movie: Bollywood Baadshah Shahrukh Khan and stunning beauty Aishwarya Rai Bachchan are likely to team up for a new movie titled 'Happy Birthday'. Sriram Raghavan of 'Agent Vinod' fame would direct this movie which is touted to be a sci-fi, says sources. Initially, the director has planned to make this movie with John Abraham as male lead but at the last moment Shahrukh Khan has been zeroed in, says the buzz. 'Happy birthday' is going to be the comeback film of Aishwarya Rai post her pregnancy. Earlier, SRK and Aishwarya Rai have  acted in films 'Josh', 'Mohabbatein' and 'Devdas' which have become super hits at box-office. More details awaited.