"There were videos of Blue in the pool with her mom, walking holding hands with her parents, Jay Z kissing Blue," a concertgoer told Us Weekly
. "It was a sweet moment -- Jay Z and Beyoncé were both facing the screen watching the Blue videos while they sang 'Halo.' It was like they were singing the song to their baby girl. The two of them were beaming, smiling watching their little girl on the screen."