Movie Halloween costumes are always some of the hottest options for Halloween, and 2010 is no different!

The last year has seen the release of some of the biggest blockbusters, packed full of interesting Halloween character ideas for kids and adults alike.

Here’s our pick of the top 10 to dress up as this Halloween:

1. Avatar: There’s no denying that the release of the Avatar movie will go down in history. With the most impressive effects seen in a big blockbuster movie, it also brought to life a whole new race of creatures known as the Na’vi. Whether you choose to go dressed as Jake Sully’s avatar, or pick Neytiri the Na’vi princess, you’ll be sure to turn heads in this blue-skinned outfit!

2. Toy Story 3: Kids and adults alike flocked to movie theatres to catch up on the third installment of the loveable toys’ adventures. Although some new characters were introduced, it’s still the old favorites that are set to sell out this Halloween: Woody the cowboy, Jessie the cowgirl and Buzz Lightyear the spaceman.

3. Alice in Wonderland: This modern take on a classic story took the characters in a new direction – the perfect inspiration for movie Halloween costumes this year. The most popular costume for men is undoubtedly going to be Johnny Depp’s Mad Hatter, and for women the neurotic Red Queen (Queen of Hearts). But the good news is that there are enough costume choices here for an entire party!

4. Twilight: There’s no limit to the popularity of this romantic vampire saga. Children, teens and adults everywhere will be desperate to play out the roles of Bella Swan and Edward Cullen for the night!

5. Iron Man 2: Iron Man is the newest superhero, and this year’s movie Halloween costumes based on Iron Man are some of the most impressive yet!

6. Kick Ass: Not one for kids, Kick Ass is sure to be a big hit this Halloween, with many people even coming up with their own superhero personas and outfits as inspired by the premise of the movie.

7. Shrek: Shrek was back this year for its “Forever After” installment, so there’s no questioning the fact that it’s popularity will only continue to rise. Costume choices including the comedic Donkey sidekick, ugly yet still beautiful Princess Fiona, the Gingerbread man or grumpy ogre Shrek himself!

8. Harry Potter: This is one of the biggest movie Halloween costume themes! The Harry Potter franchise is HUGE and kids will be lining up to play their favorite characters from the movies and books. Get yourself kitted out with some authentic Hogwarts uniform, and that all-important magic wand, and you’ll be set to go!

9. How to Train Your Dragon: This may not be quite as famous as the other movies, but it was a huge hit with the kids in 2010. It’s bound to be even bigger come October 31 thanks to the fact that there are so many interesting characters to choose from, both Viking and Dragon.

10. Batman: The last Batman movie may have been released over two years ago, but its popularity just keeps on growing thanks to the fact that it has spawned some of the most impressive Halloween costumes to date. Choose either the heroic Batman or the homicidal Joker: the choice is yours!

You can’t go wrong choosing one of these movie Halloween costumes – everyone’s bound to recognize which iconic character you’re dressing as. Just be sure to buy your costumes well in advance, as they’re bound to sell out fast!