Saif Ali Khan is emerging as the biggest threat to shirt-throwing actor Salman Khan. He`s become dangerously sexy, pumping all those muscles at a place called Barbarian Gymnasium in the suburbs.

Every time his land cruiser stops on by, and you can't miss the black-and-flame car from miles, hordes of Pretty Young Things crowd around to have a dekho of his newly acquired muscles. And not to disappoint them, Junior Nawab is known to do a Salman-Shirtless-Stunt on them.

Also, if you`ve seen the new flick Rehnaa Hai Terre Dil Mein, Saif`s shirtless appearance in a song had the female audience in titters and one could hear gasps of `cute`, `sexy` and `move over Salman` from the delighted girls. Well, here`s something for wife Amrita to ponder over.