They scooped four awards each, including best band for Westlife and best male for Gareth.
The 18-year-old pop hedgehog was also named best newcomer and most fanciable male, while his famous spiky haircut won an award all of its own.
Other winners included Blue, named best UK band and best live act, and Liberty X, who won the best single award for Just A Little.
Jade is 'minging'
But former Big Brother housemate Jade Good was named most hideous thing.
And Christina Aguilera officially has the worst dress sense in pop!
Pop fans packed the London Arena for the star-studded awards ceremony, co-hosted by wild-child Kelly Osbourne.
Justin Timberlake was missing after breaking his foot during a dance routine.
Atomic Kitten, Ms Dynamite, S Club and Holly Valance all performed.