(FILES) In this file photo taken on December 7, 2009 Britain's Queen Elizabeth II (L) meets American singer Lady Gaga (R) following the Royal Variety Performance in Blackpool, England. - From a string of US presidents to Lady Gaga, Queen Elizabeth II met leading political and artistic personalities from around the globe during her record-breaking time on the throne. Some were despised dictators, others world-famous guitarists she made polite conversation with. Regardless of the personalities, she always kept her composure. (Photo by LEON NEAL / AFP)