Timberlake and Biel were among the guests at Dana Panzer and Amy Wicker's nuptials in Norwalk, Connecticut and the singer thrilled the wedding party when he agreed to hit the stage and perform a stripped-down version of his hit Senorita and a rendition of James Brown's Papa's Got a Brand New Bag, dedicated to the newlyweds.

The ceremony was extra special because it fell on the day after U.S. Supreme Court officials declared gay marriage is legal in all 50 U.S. states.

Biel was roommates with Panzer at Tufts University in Massachusetts.