What makes Britney Spears so iconic?

This autumn will mark the 20th anniversary of Britney Spears' first single, "...Baby One More Time". It was the track that turned the then-teenage singer into a star. She's had numerous pop hits, and a very public meltdown, but she's still hailed as the Princess of Pop. Music journalist Sarah Carson and journalist Owen Myers tell us what makes her so special and how she's become a gay icon.