Chords for Katy Perry - My Boyfriend's Ex Girlfriend

[A] _ _ [G] _ _ [D] _ _ [G] _ [A] _
_ _ [G] _ _ [D] _ _ [G] _ _
[A] _ [Em] One [D] day I was sitting [A] in class, [Em] got a note that [A] said, watch your back.
_ [Em] Someone [A] told me who it was from.
She wasn't happy because she just got dumped.
It was over, but not in her mind.
It's not my fault he left her behind.
I always knew they had a history. _
I didn't know that it included _ [E] me.
She wasn't ready [F] to let him [E] go.
Now I'm dealing [F] with a psycho. _
[A] _ [D] Bad boyfriend, [G] ex [A]
-girlfriend.
[G] I think [D] she's going [G] off the deep [A] end.
[G] She [D] loves him, [G] she [D] hates me.
[G] They broke [D] up, now she [G] wants to blame [A] me.
Nah, nah, nah, nah, nah.
_ [D] Nah, nah, nah, nah, [A] nah, nah, nah.
Went [Em] to a [D] party on a [A] Saturday night.
I [G] wasn't planning [D] to get [A] in a fight.
_ [G] All I [D] wanted was to have [A] some fun.
You [G] know I never [F#m] want to hurt [A] no one.
She walked over [D] thinking she was [A] so tough.
She stared me [D] down, but she had to [A] let go.
_ Then she [D] started to lose [A] control.
What can I [D] say?
Let's rock [A] and roll.
[E] I wasn't sure, [F] but now I [E] know that I'm dealing [F] with a psycho. _
[A] _ [D] Bad boyfriend, _ [G] ex [A]-girlfriend.
[G] I think [D] she's going off [G] the deep [A] end.
[G] She [D] loves him, [G] she hates [A] me.
[D] They broke up, now she [G] wants to blame me.
Wake up, [D] girl, cause it's [Bm] over.
It's time [G] to get a life.
Go cry [D] on your own [Bm] shoulder.
_ Can't you [G] see that he's mine?
[D] _ [G] _ _ _ _ _ _
[D] _ _ _ _ _ _ _ [C] _
[D] _ _ _ _ [G] _ _ [C] _ [D] _
_ _ _ _ [G] _ _ _ _
[A] _ _ [G] _ _ [D] Boyfriend, [G] ex [A]-girlfriend.
_ [F#] I think she's going off [G] the [A] deep end.
[G] She [D] loves him, [G] she [A] hates me.
[G] They [D] broke up, now she wants [G] to [A] blame me.
My boyfriend, _ ex-girlfriend.
_ _ _ [D] _ _ _ [A] _
_ My boyfriend, _ ex-girlfriend.
_ _ [D] _ _ _ [G] _
[A] _ _ Nam, Nam.
[D] Nam, [A] Nam, _
_ _ _ _ _ [D] _ [A] _ _
_ _ _ _ _ [D] _ [A] _
Nam, _ _ _ [D] _ _ [A] Nam.
_ My boyfriend, _ ex-girlfriend.
Nam, Nam.
_ [D] _ [A] _ _
_ _ [D] Nam, Nam, Nam, Nam.
My boyfriend, [A] ex-girlfriend.
[G] Nam, Nam.
[D] Nam, Nam, [A] Nam. _
_ _ _ _ _ _ _ _
_ _ _ _ [G] _ _ _ _
[C#] _ _ _ _ _ _ _ _
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