Scarlett Johansson and Jessica Alba are to present gongs at the MTV Movie Awards.
Joining the actresses are Mark Wahlberg and TI, who will also hand out golden popcorn statues at the ceremony, which takes place at the Gibson Amphitheatre in Los Angeles on June 6.
Previously announced presenters include Adam Sandler, Tom Cruise, Robert Pattinson, Taylor Lautner, Chris Rock, Steve Carell and Cameron Diaz.
Snoop Dogg is going to join Katy Perry on stage for her performance of her new hit single, California Gurls.
The ceremony will feature a sneak peek at footage from Harry Potter And The Deathly Hallows, which will only hit screens this November.
Sandra Bullock is to be presented with the coveted MTV Generation Award – the first woman to accept its highest honour.
The Hangover has been nominated for six gongs, while The Twilight Saga: New Moon and Avatar are neck-and-neck after receiving five nods each.
:: The MTV Movie Awards 2010 will be shown on MTV UK on June 9 at 9pm.