Kristin Cavallari wear a gary sweetheart prom dress to attend 2012 Vanity Fair Oscar Party

Kate Hudson wear a sexy red long dress attend 2012 Vanity Fair Oscar Party

Ashley Tisdale and Vanessa Hudgens attend 2012 Vanity Fair Oscar Party

Rose Byrne attend the 84th Academy Awards red carpet

Rose Byrne wearing black one shoulder sequined dress elegant attend the 84th Academy Awards red carpet ceremony!

Sarah Hyland wearing lavender dress elegant to attend the 84th Academy Awards red carpet ceremony

Maria Menounos wearing a light green dress elegant attending the 84th Annual Academy Awards red carpet