Actress Kristin Cavallari arrives on the red carpet of the 21st Annual MuchMusic Video Awards at the MuchMusic HQ on June 20, 2010 in Toronto, Canada. 21st Annual MuchMusic Video Awards - Red Carpet MuchMusic HQ Toronto, ON Canada June 20, 2010 Photo by George Pimentel/WireImage.com To license this image (60819359), contact WireImage.com