Beyoncé Knowles is a person who sings.
`` Baby Boy '' is a song by American singer-songwriter Beyoncé from her debut solo studio album , Dangerously in Love ( 2003 ) . Beyoncé . 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 . Their hiatus saw Beyoncé 's theatrical film debut in Austin Powers in Goldmember ( 2002 ) and the release of her debut album , Dangerously in Love ( 2003 ) , which established her as a solo artist worldwide , earned five Grammy Awards and featured the Billboard Hot 100 number-one singles `` Crazy in Love '' and `` Baby Boy '' .