Marc Anthony Rehearses National Anthem for DNC


Marc Anthony will take the stage at the Democratic National Convention on Thursday to sing the Star-Spangled Banner, and judging by his rehearsal this afternoon, it will be a crowd pleaser.

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We have video of the singer, who's performing on the same night that President Barack Obama will accept his nomination for a second term, running a sound check in Charlotte, North Carolina.

Other celebrities expected to attend the event tonight include Eva Longoria, Dave Grohl and Scarlett Johansson.