What is the name of the trailer song in Step brothers?!

In the trailer scene where Will Ferrel and john C reily asking each other about if you a chick who the one guy you sleep with!. The line for the song i remember was "you making my dream comes true"!. It not north American scums song By LCD!. Don't say IDK because i will not pick that as best answer!. Just trying to be niceWww@Enter-QA@Com

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