Complex sentence: Since then, she has appeared in advertisements for Guess?, Ralph Lauren, and Saks Fifth Avenue, in catalogs for Victoria's Secret, and on the covers of "Elle", "Amica", and "Shape".
Split into simpler sentences: Since then, she has appeared in advertisements for Guess?, Ralph Lauren, Saks Fifth Avenue, and Victoria's Secret. Ingrid has appeared on the covers of "Elle", "Amica", and "Shape".