Paparazzi

But these days you are just as likely to find him behind the camera. His passion for photography has led to an exhibition at Art Basel and a collaboration with camera company Leica.

His most recent series, "Flash," sees Kravitz turning his lens onto the fans and paparazzi who pursued him.

"It ended up being a really beautiful dance, and I started to see these people in a different way," he said.

Kensington Palace, the official home of Prince William and his wife Kate, published a letter sent to media standards organizations, detailing recent incursions on the family's privacy. 

It said photographers have hidden in car trunks, obscured themselves in sand dunes, monitored the movement of Prince George and his nanny around London parks and used other children to draw Prince George into view on playgrounds.