Emma Watson was the first A-lister to arrive at the MTV Movie Awards in Los Angeles today (June 3). The 22-year-old actress turned heads in a sexy purple mini dress as she posed briefly along the press line before heading inside the Gibson Amphitheatre to take her seat. Before her arrival, Emma tweeted, "Why do I always feel like I'm going to be sick before these things?! #Ihatenerves" Meanwhile, Emma and Rihanna are ...