"Just gave my first shot with Aishwarya Rai Bachchan for @mbhandarkar268 (Madhur Bhandarkar's) film! Came nervous but am at ease now thanks to both of them! Fun!, " Shahana posted on micro-blogging site Twitter.
The 25-year-old actress, who has featured in films like "Rock On!!", "Mirch" and "Tera Kya Hoga Johnny", refrained from divulging any further details on her character in the film.
"Can't talk about my role but its very exciting and am very happy to be working with @mbhandarkar268! Ash is a sweetheart, always been, " she added.
"Heroine" is Bhandarkar's take on the life and times of a superstar Bollywood actress, and the lead role is being essayed by Aishwarya.