Robert Pattinson and Daniel Radcliffe will go head to head at this year's Teen Choice Awards.
'The Twilight Saga: Eclipse' star Robert will take on 'Harry Potter and the Deathly Hallows: Part 1' actor Daniel in the 'Choice Movie Actor: Sci-Fi/Fantasy' category, while their female co-stars – Kristen Stewart and Emma Watson respectively - are both up for the female version of the award.
The two films will themselves go head to head to see which will be named 'Choice Movie: Sci-Fi/Fantasy'.
'Twilight' star Robert is up for four awards in total, including Choice Movie Actor: Drama
for 'Water for Elephants' and Choice Movie: Liplock
for his kiss with Kristen.
In the latter category, Robert – who is dating Kristen off set - faces competition however, from his co-star Taylor Lautner – who has his own smooch with Kristen in 'The Twilight Saga: Eclipse'.
The hunky 'Twilight' pair even find themselves head to head in all three categories Taylor is nominated in, including the coveted Choice Male Hottie.
It is another Taylor who leads the musical nominations however, as Taylor Swift has picked up five nods, including Choice Music: Female Artist, Choice Music: Female Country Artist and Choice Music: Love Song, for her single 'Mine'.
Teen heartthrob Justin Bieber has only one nomination, out of four, for his songs - Choice Music: Male Artist – with his other nods for Choice Red Carpet Fashion Icon: Male, Choice TV: Villain for his turn in 'CSI', and Choice Twit.
Other stars to pick up nominations in the awards' 66 categories included Johnny Depp, Eminem, Beyonce and Christina Aguilera.
The winners of the Teen Choice 2011 awards will be chosen online by fans aged 13-19, and presented in a televised ceremony in the US on August 7.
Teen Choice awards 2011, edited list of nominations:
Choice Movie: Action
'Scott Pilgrim vs. the World'
Choice Movie Actor: Action
Michael Cera, 'Scott Pilgrim vs. the World'
Johnny Depp, 'The Tourist'
Vin Diesel, 'Fast Five'
Dwayne Johnson, 'Fast Five'
Paul Walker, 'Fast Five'
Choice Movie Actress: Action
Jordana Brewster, 'Fast Five'
Rosario Dawson, 'Unstoppable'
Carla Gugino, 'Faster'
Angelina Jolie, 'The Tourist'
Mary Elizabeth Winstead, 'Scott Pilgrim vs. the World'
Choice Movie: Sci-Fi/Fantasy
'Harry Potter and the Deathly Hallows: Part 1'
'Pirates of the Caribbean: On Stranger Tides'
'The Twilight Saga: Eclipse'
'X-Men: First Class'
Choice Movie Actor: Sci-Fi/Fantasy
Johnny Depp, 'Pirates of the Caribbean: On Stranger Tides'
Taylor Lautner, 'The Twilight Saga: Eclipse'
Robert Pattinson, 'The Twilight Saga: Eclipse'
Daniel Radcliffe, 'Harry Potter and the Deathly Hallows: Part 1'
Ryan Reynolds, 'Green Lantern'
Choice Movie Actress: Sci-Fi/Fantasy
Penélope Cruz, 'Pirates of the Caribbean: On Stranger Tides'
Elle Fanning, 'Super 8'
Blake Lively, 'Green Lantern'
Kristen Stewart, 'The Twilight Saga: Eclipse'
Emma Watson, 'Harry Potter and the Deathly Hallows: Part 1'
Choice Movie: Drama
'Water for Elephants'
Choice Movie Actor: Drama
Bradley Cooper, 'Limitless'
Jesse Eisenberg, 'The Social Network'
Cam Gigandet, 'The Roommate'
Shia LaBeouf, 'Wall Street: Money Never Sleeps'
Robert Pattinson, 'Water for Elephants'
Choice Movie Actress: Drama
Minka Kelly, 'The Roommate'
Leighton Meester, 'Country Strong'
Natalie Portman, 'Black Swan'
AnnaSophia Robb, 'Soul Surfer'
Reese Witherspoon, 'Water for Elephants'
Choice Music: Male Artist
Cee Lo Green
Choice Music: Female Artist
Choice Music: Group
Black Eyed Peas
Far East Movement
Selena Gomez & The Scene
Choice Music: R&B/Hip-Hop Artist
Choice Music: Rock Group
30 Seconds to Mars
Choice Music: Love Song
Allstar Weekend, 'Come Down with Love'
Selena Gomez, 'Love You Like a Love Song'
Bruno Mars, 'Just the Way You Are'
Katy Perry, 'Teenage Dream'
Taylor Swift, 'Mine'
Choice Break-Up Song
Adele, 'Rolling in the Deep'
Cee Lo Green, 'Forget You'
Joe Jonas, 'See No More'
Bruno Mars, 'Grenade'
Taylor Swift, 'Back to December'