What performance of Jay-Z and Beyoncé is this?!

here's a picture of it:
http://youtube!.com/watch!?v=OaFJJEg3vlY

go to 2:22!. it's the picture of them in white!.

where are they performing and what are they performing!? i've never seen it and it looks like a real nice performance!.

thank you =]Www@Enter-QA@Com

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