Complex sentence: She modeled for the fall/winter 2010-2011 Viktor & Rolf runway show, in which she was a "Matryoshka doll", where the designers put several layers of clothing on her similar to how the dolls have several layers.
Split into simpler sentences: She modeled for the fall/winter 2010-2011 Viktor & Rolf runway show. She was a "Matryoshka doll", where the designers put several layers of clothing on her similar to how the dolls have several layers.