"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.

Blue Ivy joined Beyoncé onstage several times throughout the evening, at one point dancing to Beyoncé's 2006 hit "Déjà Vu" and performing some of the original choreography from the song's music video. Rolling Stone shared a video of the moment as Blue Ivy led a group of dancers in the recreation of the choreography made famous by her mother.