Complex sentence: Her debut in the Ziegfeld Follies began in 1913, where she quickly established her as one Ziegfeld's top attractions, along with Bert Williams, Eddie Cantor, Will Rogers, Fanny Brice (who became her closest friend), Marilyn Miller, and W.C. Fields.
Split into simpler sentences: Her debut in the Ziegfeld Follies began in 1913, where she quickly established her as one Ziegfeld's top attractions. During her years in the Follies she appeared alongside the likes of Bert Williams, Eddie Cantor, Will Rogers, Fanny Brice (who became her closest friend), Marilyn Miller, and W.C. Fields.