"Rumi — who's on the album, my youngest daughter — she was watching," Beyoncé told the show. "I forgot to thank her so I get to thank her now. Thank you, Rumi." Beyoncé's Co

All three of the Carter girls made their Cowboy Carter Tour debuts Monday night (April 28), with Blue Ivy and Rumi both joining Beyoncé on stage for an emotional performance of "Protector" during the trek's opening night at SoFi Stadium.

Rumi joined her mom and sister onstage for the opening night of the Cowboy Carter Tour in Los Angeles, making an appearance during "Protector," the song that she features on