Beyonce Knowles on May 25, 2012 in Atlantic City, New Jersey.

An insider exclusively tells Us Magazine that Beyonce will perform her hit "Crazy in Love" during a solo set to kick off the show. Midway through the act, she'll be joined by her Destiny's Child mates Kelly Rowland and Michelle Williams to sing a medley of their biggest hits!

Starting with: "Bills, Bills, Bills," "Survivor," and ending with their new track "Nuclear."

(US Magazine)