At the time, she was as famous in Iran as Beyoncé is in America. Among her biggest fans? Mohammad Reza Pahlavi, best known as the last Shah of Iran. Googoosh, who performs Saturday at the Hollywood Bowl, endured that non-musical reality. After 1979, her only access to Western pop was through soundtracks on illegal copies of movies and illicit bootleg VHS tapes containing the songs of Michael Jackson and Whitney Houston.