Katy Perry looks blue-tiful as she hits the red carpet at the 2010 MTV Movie Awards held at Universal Studios’ Gibson Amphitheatre on Sunday (June 6) in Universal City, Calif. The 25-year-old “California Gurls” singer wore a sparkly Zuhair Murad dress paired with Rock & Republic gray heels. The ceremony airs TONIGHT at 9/8c on MTV. Funnyman Aziz Ansari hosts! WHAT DO YOU THINK of Katy’s blue wig – YAY or NAY?