Fall Out Boy Reveal Newest Collaborator In Album Tease! It's Courtney, B-tch!

We know Fall Out Boy got a little help from Sir Elton John on Save Rock and Roll!
But who is their latest collaborator? Pete Wentz tweeted:

wanna guess what blonde hair singer we got on the record?

— Pete Wentz(@petewentz) March 20, 2013

Ooh, ooh! Let us guess! Is it Taylor Swift? Christina Aguilera? Not Ashlee Simpson!
Ch-ch-check out the video (above) to find out! Just don’t blink!
Yep! That’s Courtney Love you hear! The Hole front woman will be making an appearance on the new album!
Rat-a-tat-tat indeed!
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