Aishwarya Rai Bachchan will be starring with Ranbir Kapoor in the upcoming film, Ae Dil Hai Mushkil. A picture of them which was clicked almost 18yrs ago has surfaced online and it has gone viral. This picture is apparently from the time when Ranbir assisted his father Rishi Kapoor on 1999 film Aa Ab Laut Chalen (Mr Kapoor's first film as director) which featured Aishwarya Rai. It also starred Akshaye Khanna and Rajesh Khanna. Mr Jafry who clicked the picture shared it on his twitter handle. He wrote the film's story and dialogues. Aishwarya, 42 and Ranbir, who celebrates his 34th birthday today, are all set to co-star in Karan Johar's Ae Dil Hai Mushkil. Ever since the release of the film's trailer and song Bulleya, fans cannot stop raving about Ranbir and Aishwarya's fabulous jodi. They indeed make quite a pair in the film.