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  • BEYONCÉ KNOWLES photo | Beyonce Knowles, Jay-Z

Credit: Rob Loud/Getty; Mark C. Austin/Startraks (inset)

Updated: Wednesday Aug 04, 2010 | 06:00 AM EDT By: Alison Schwartz

BEYONCÉ KNOWLES

She's his No. 1 fan: Beyoncé feels Jay-Z's beat, while the rapper tears up the stage at June's Bonnaroo Music and Arts Festival in Manchester, Tenn.