Watch: Blue Ivy Carter, 14, Makes Breathtaking Met Gala 2026 Debut Alongside Mom BeyoncéTina Knowles is crazy in love with her granddaughter's Met Gala debut. After Blue Ivy Carter, 14, attended the annual fundraising event with parents Beyonce and Jay-Z, the Matriarch author explained her emotional reaction watching her family step out for fashion's biggest night. "Oh, my god. I got really emotional, shed a few tears," Tina said during her May 5 appearance on Today. "It was kind of reminiscent because Beyoncé started her first red carpet at 15.