Best Album in 2007:
Rihanna - Good Girl Gone Bad
Best Breakthrough Album:
Mika - Life in Cartoon Motion
Best Comeback Album:
Britney Spears - Blackout
Best Yet To Come... - for an album that's yet to be released this year, but WILL be out before Dec 31st:
Britney Spears - Blackout 
Best Single - Nominate between 1 and 5
:
Britney Spears - Gimme More
Rihanna - Umbrella
Leona Lewis - Bleeding Love
Delta - In This Life
Maroon 5 - Makes Me Wonder
Best Female Solo Artist:
Rihanna
Best Male Solo Artist:
Shayne Ward
Best Breakthrough Artist:
Leona Lewis
Best Group:
Maroon 5
Best Music Event (Festival/Gig/Concert):
The Beyonce Experience