My bad behaviour, My bad behaviour, 
 I Told you I was trouble with my bad behaviour, 
 My bad behaviour, My bad behaviour, 
 I Told you I was trouble with my bad behaviour, 

Oh-oh-oh-oh-eh-oh, (Bad behaviour) 
 Oh-oh-oh-oh-eh-oh, (Bad behaviour) 
 Oh-oh-oh-oh-eh-oh, (Bad behaviour) 
 Oh-oh-oh-oh-eh-oh, 

Let tell me if I'm bad, (Oh-oh-eh-oh) 
 Cause I don't know all your excuses, (Oh-oh-eh-oh) 
 So don't be serious, (Oh-oh-eh-oh) 
 He couldn't be persuaded, (Oh-oh-eh-oh-oh-oh-oh-oh-oh-eh-oh) 

I want the key to your heart, (To your heart) 
 And you would know from the start, (From the start) 
 And if a [bad word] it won't be the last, (Be the last) 
 I've got a little problem that I can't seem to solve. 

My bad behaviour, My bad behaviour, 
 I Told you I was trouble with my bad behaviour, 
 My bad behaviour, My bad behaviour, 
 I Told you I was trouble with my bad behaviour, 

Oh-oh-oh-oh-eh-oh, (Bad behaviour) 
 Oh-oh-oh-oh-eh-oh, (Bad behaviour) 
 Oh-oh-oh-oh-eh-oh, (Bad behaviour) 
 Oh-oh-oh-oh-eh-oh, 

So how's it a surprise? (Oh-oh-eh-oh) 
 When you knew who you were dating, (Oh-oh-eh-oh) 
 Just out to have some fun, (Oh-oh-eh-oh) 
 So we shouldn't [bad word]  (Oh-oh-eh-oh-oh-oh-oh-oh-oh-eh-oh) 

I want the key to your heart, (To your heart) 
 And you would know from the start, (From the start) 
 And if a [bad word] it won't be the last, (Be the last) 
 I've got a little problem that I can't seem to solve, 

My bad behaviour, 
 My bad behaviour, 
 I Told you I was trouble with my bad behaviour, 
 My bad behaviour, 
 My bad behaviour, 
 I Told you I was trouble with my bad behaviour, 

Oh-oh-oh-oh-eh-oh, (Bad behaviour) 
 Oh-oh-oh-oh-eh-oh, (Bad behaviour) 
 Oh-oh-oh-oh-eh-oh, (Bad behaviour) 
 Oh-oh-oh-oh-eh-oh, 

So tell me, t-tell me, tell me, 
 Why, why should I stop? 
 If we're having fun we'll do it til we drop, 
 So tell me, t-tell me, tell me, 
 Why, why should I go? 
 If we never know... 

My bad behaviour, 
 My bad behaviour, 
 I Told you I was trouble with my bad behaviour, 
 My bad behaviour, 
 My bad behaviour, 
 I Told you I was trouble with my bad behaviour, 

Oh-oh-oh-oh-eh-oh, (Bad behaviour) 
 Oh-oh-oh-oh-eh-oh, (Bad behaviour) 
 Oh-oh-oh-oh-eh-oh, (Bad behaviour) 
 Oh-oh-oh-oh-eh-oh, (B-b-bad behaviour)