Natalie has just competed in her second Olympic Games where she won six medals, the most ever by an American female in a single Games.
She took Gold in the 100m Backstroke, making her the first woman to retain that position in that event across two Olympic Games.
She is known for her dominance in the short course pool and her underwater kicking ability.
World:
100m Backstroke (L/C) 59.21, 17 February 2008, Columbia USA
4x200m Freestyle Relay (L/C) 7:50.09, 29 March 2007, Melbourne AUS
100m Backstroke (S/C) 56.51, 28 October 2007, Singapore
100m Individual Medley (S/C) 58.80, 23 November 2002, East Meadow USA
The first woman in history to break the 1 minute barrier in the 100m Backstroke.