Sweetheart first entered the porn industry in 2000, shortly after turning eighteen.
Sweetheart has performed in over 250 movies. In 2004, she was nominated for the Best Group Scene Award by the for her scene in Eye of the Beholder.
Sweetheart appeared at age 18 in director Frank Thring's The Academy (2000).
Sweetheart was once represented by LA Direct Models, but is currently represented by On Sweetheart appeared in the Belgian comedy show She played herself in a sketch where she was greeted at the airport by her fictive official Belgian 'fanclub' consisting of five members.