Complex sentence: She went on to represent Tennessee in the Miss Teen USA contest held at South Padre Island, Texas on 20 August 1997, where she won all three areas of competition: evening gown, swimsuit and interview.
Split into simpler sentences: She went on to represent Tennessee in the Miss Teen USA contest held at South Padre Island, Texas on 20 August 1997. During the final competition Moore won all three areas of competition: evening gown, swimsuit and interview.