We wish Salman Khan a very Happy Birthday.Salman Khan is celebrating his 46th Birthday today.Salman had a rocking 2011 with films like Dabbang and Bodyguard and is looking forward to a better year in 2012 with films like Dabbang 2 and Ek Tha Tiger lined up.Many Bollywood celebrities on twitter wished him B'day like Preity Zinta, Sonakashi Sinha, Sonu Sood, Farah Khan and Dia Mirza.