One source claims the 18-year-old was actually bullied for being there -- apparently not everyone thought she earned the right to walk the shows!
The insider spilled:
The Sports Illustrated model flew solo in a black embellished Roberto Cavalli keyhole hole gown.
Emerald and diamonds jewels, simple makeup and a slicked back 'do completed Irina's angelic look.
Crissy would have been the perfect accessory, but Irina still looks lovely.
[Image via Andres Otero/WENN.]