Grandmother Tina Knowles couldn't hold back tears after the 14-year-old's heartfelt tribute to her father unfolded onstage.
A Father-Daughter Moment for the Ages
Blue Ivy Carter gave fans something unforgettable on opening night of Jay-Z's three-night Yankee Stadium residency. The 14-year-old made a surprise appearance during the July 10 show in New York City, delivering…

