Stephanie Pratt is an American television personality. In 2007, she rose to prominence after joining the cast of The Hills, a former MTV reality television series.

In 2007, Pratt joined the cast of The Hills. Pratt was featured as a main cast member in the sixth and final sesason.

Pratt is the younger sister of Spencer Pratt, and the sister-in-law of Heidi Montag (both of whom are on The Hills).

In April, 2010, Pratt posed nude for PETA's Be Nice to Bunnies iPhone application, which is intended to help the public find stores and products that are kind to animals.

Stephanie Pratt has stated in many public appearances that she has not seen her brother or his wife Heidi Montag in more than a year.

Stephanie Pratt remains close friends with her former Hills co-stars, Lauren Conrad and Lo Bosworth.

Pratt worked as a production assistant on ABC’s LOST.