Caroline Xibe. According to Fashion Information Network, the ex-wife of Qu Zhonghui, founder and designer of Valentino brand, is CarolineSieber. CarolineSieber is a fashion consultant and former editor from Austria. She has worked in famous fashion magazines such as Chanel and VogueUK. He and Qu Zhonghui got married in 2008, and they worked together in Valentino for many years. But in 20 15, the two divorced and CarolineSieber left the Valentino brand.