Vote for Half-Blood Prince in 2010 MTV Movie Awards starting today at 12 PM ET

The nominations for the 2010 MTV Movie Awards are in, and Harry Potter and the Half-Blood Prince has been nominated in several categories:

Best Villain: Draco Malfoy
Best Female Performance: Emma Watson
Best Male Performance: Dan Radcliffe
Global Superstar: Dan Radcliffe, Robert Pattinson
Best Movie: Harry Potter and the Half-Blood Prince

Voting for the winners begins today at 12 PM ET. You can vote in each of the categories using the links above, or click here to view a list of all categories.

The MTV Movie Awards will air live on June 6th at 9 PM ET/8 PM CT on MTV.