What are the 4 characters on MTVs The Hills?

The four main characters on MTV's "The Hills" are Lauren Conrad, Whitney Port, Audrina Patridge, and Heidi Montag. Lauren serves as the central figure, navigating her career and relationships in Los Angeles. Whitney is her friend and co-worker, known for her supportive nature. Audrina and Heidi bring their own dynamics, with Audrina often grappling with personal relationships and Heidi's storyline focusing on her tumultuous romance with Spencer Pratt.