Hrithik Roshan shoots an ad for Mattel's Hot Wheels

Hrithik Roshan filmed an advert for a new brand, Mattel's Hot Wheels that he's lending his celebrity to, at Mehboob Studios in Bandra, Mumbai on Tuesday afternoon.[caption id="attachment_350702" align="alignleft" width="380" caption="Hrithik Roshan leaving  Mehboob Studios after shooting the advert. Raju Shelar/Firstpost"][/caption]The actor will now be the brand ambassador for the hot little cars, the advertisement of which will hit the air waves soon. Hrithik is one of the most coveted actors on the brand endorsement circuit and is known to be extremely selective about the products he associates his name with.Punit Malhotra, known more for his "friendship" with Sonam Kapoor than his directorial work in recent times, shot the advertisement yesterday with Kiran Deohans as the Director of Photography.Hrithik has been shuttling back and forth between Mumbai and Hyderabad where he's filming his father, Rakesh Roshan's Krrish 3 - the third part of their very successful Krrish (Koi Mil Gaya and Krrish) enterprise.  With never a moment to spare given his busy life, Hrithik sped away homeward as soon as "It's a wrap" was called on the set, after a grueling day at work.