Jay- Z & Beyoncé: A Musical Match

They've made hit songs and millions of dollars together – now it's time for the power couple's next collaboration: Their first baby!

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Letting their chemistry speak for itself, Jay-Z is on hand for a duet with Beyoncé as she kicks off her "I AM …" world tour in New York in 2010. The couple has collaborated on a number of hits, from "'03 Bonnie & Clyde" to the smash hit "Crazy in Love."