Rumi Carter, Beyoncé's 6-year-old daughter, eclipsed her 12-year-old sister Blue Ivy to become the youngest female artist to appear on the Billboard Hot 100 chart. In the song 'Protector' from Beyonce's new album Cowboy Carter, Rumi pulls off a history-making moment by asking the singer, 'Mom, can I hear the lullaby, please?' before Beyoncé starts...
