Bollywood actress Kareena Kapoor, whose film "Heroine" is set for a September release, Saturday said she was confident but not over -confident about it.

"I am not over-confident but quite confident and excited about the film, " she said at a promotional event, marking the film's tie-up with clothing brand, Jealous 21, here.

Asked about she is jealous of in life, she said: "I am jealous of people who get to go on holidays, even though I go on many on my own. I love travelling. I am also jealous of people who get to eat whatever they want."

Releasing on Sep 21, the film also stars Arjun Rampal and Randeep Hooda and has been directed by Madhur Bhandarakar.

Having done various films like "Ra One", "Bodyguard" and "3 Idiots", the actress said that the one closest to her heart will be her first film, "Refugee".

"The first film is always special. That innocence never comes back. 'Refugee' is my favourite film, " she said.

"Heroine" revolves around the ups and downs in a journey of an actress. Kareena said that even though she is playing the role of an actress in the movie as well, she is nothing like that in real life.

"People think there are similarities, but I am not like that in real life. She is bold, manipulative, dark and edgy. I am not at all like that, " she said.

Talking about her look in the film, she said: "My favourite looks are in the title song of the film, which is yet to release."

Kareena also revealed that she would have loved to play Konkona Sen Sharma's role in Bhandarkar's "Page 3".