Mohammad bin Salman bin Abdulaziz Al Saud (Arabic: Ù Ø٠د ب٠سÙ٠ا٠ب٠عبد اÙعزÙز آ٠سعÙد ââ; born 31 August 1985), also known as MBS, is the Crown Prince of Saudi Arabia, First Deputy Prime Minister of Saudi Arabia and the youngest minister of defense in the world