You Don't Mess with the Zohan (2008)

Harbouring an ardent desire to be the best in the cut-throat world of hairdressers, the Mossad's finest agent, Zohan, seizes the opportunity to call it quits by faking his death, after a fierce battle with his arch-nemesis, Phantom. In high hopes of making his dream come true in New York, the ambitious Zohan lands a job in the stylish hair salon of the beautiful Palestinian, Dalia, and things seem to work as planned; until a man from the past blows his cover. Now, the Zohan must fight tooth and nail to keep his new lifestyle, and in the meantime, try to win the heart of his boss. Can Zohan's dazzling hairstyling techniques save the world?