New Delhi, Sept 28 (ANI): Today is the day of a 'Star'...a 'Superstar'...or should we call him a 'Rockstar'? Yes, you guessed it right it we are talking about the heartthrob of zillion hearts and Bollywood's new 'Besharam' Ranbir Kapoor who will be celebrating his 31st birthday today. Born on September 28, 1982 to the well known Bollywood couple Rishi Kapoor and Neetu Kapoor, Ranbir ventured into the film industry with Sanjay Leela Bhansali's tragic romance 'Saawariya'. Ranbir was highly acclaimed for his role in the film 'Rockstar' and was awarded with the Filmfare award for best actor. The Kapoor lad went on to win every possible heart in the cine land by acting in films like 'Wake up Sid', 'Ajab Prem Ki Ghazab Kahani' and Barfi and in him Bollywood has found his new megastar.