Complex sentence: Diễm Hương competed in the 10th edition of Miss Earth beauty pageant where she placed in the Top 14 in the final night, she made the Top 5 of Miss Talent competition and she won "Best in Swimsuit".
Split into simpler sentences: Diễm Hương competed in the 10th edition of Miss Earth beauty pageant where she placed in the Top 14 of the final night. Prior to the final night, she made the Top 5 of the Miss Talent competition and she won "Best in Swimsuit".