Complex sentence: She gained prominence as a fashion model in the early 1990s, and went on to appear on eight American "Vogue" covers and do advertisements and runway modeling for fashion houses such as Chanel, Alexander McQueen, Jil Sander, and Versace.
Split into simpler sentences: She gained prominence as a fashion model in the early 1990s, and went on to appear on eight American "Vogue" covers. She did advertisements and runway modeling for fashion houses such as Chanel, Alexander McQueen, Jil Sander, and Versace.