We heard them do 'You Don't Love Me' and the lads also treated us to a cover of 'Roxanne' by The Police.
Watch video of 'You Don't Love Me'
Watch video of 'Roxanne'
You can also hear The Kooks chat to Jo.
Kooks are just one of the acts up for Best British Newcomer at this year's Brit Awards - to cast your vote, click here.