Find out what Sean and Nat from American band 3OH!3 had to say...

...about Katy Perry,  what they can't live without and songs they wish they'd written, amongst other things, in our '3OH!3 three quiz':

Did you know they are called 3OH!3 as 303 is their local telephone area code in Boulder, Colorado? If not, you do now!

Nat and Sean pulling their best model faces

Check out the video to their first single Don't Trust Me (out now):

Do you recognise the song - it's already been on two episodes of The Hills!

Do you 3OH!3?

Which one do you think is the fittest - Nat or Sean? Let us know below!