Jay-Z and Beyoncé react to watching Blue Ivy Carter walk the ‘Mufasa: The Lion King’ red carpet in Los Angeles. Blue Ivy voices the character of Kiara, the daughter of Simba and Nala, in the prequel and co-stars alongside her mom, Beyonce, who is reprising her role as Nala from 2019’s ‘The Lion King.’ ‘Mufasa: The Lion King,’ is in theaters on Dec. 20.