What female superstar has a daughter called Blue Ivy?

Beyoncé Giselle Knowles-Carter (born September 4, 1981) is an American singer, songwriter and actress. Born and raised in Houston, Texas, she performed in various singing and dancing competitions as a child and rose to fame in the late 1990s as lead singer of R&B girl-group Destiny's Child. On April 4, 2008, Beyoncé married Jay Z.

In April 2011, Beyoncé and Jay Z traveled to Paris in order to shoot the album cover for 4, and unexpectedly became pregnant in Paris. In August, the couple attended the 2011 MTV Video Music Awards, at which Beyoncé performed "Love on Top" and ended the performance by revealing she was pregnant. Her appearance helped that year's MTV Video Music Awards become the most-watched broadcast in MTV history, pulling in 12.4 million viewers; the announcement was listed in Guinness World Records for "most tweets per second recorded for a single event" on Twitter, receiving 8,868 tweets per second and "Beyonce pregnant" was the most Googled term the week of August 29, 2011. On January 7, 2012, Beyoncé gave birth to a daughter, Blue Ivy Carter, at Lenox Hill Hospital in New York City.