Beyonce's daughter, Rumi, made a rare appearance at the launch of her Cowboy Carter tour - while her twin brother Sir is usually kept out of the spotlight due to his quiet personality

As her “Cowboy Carter” tour hit the road, Beyoncé’s put her two daughters front and center, turning the country-infused concert into a celebration of their mother-daughter bond. During the sold-out Monday night show in Los Angeles,

"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