Beyoncé having a girl? Expectant mother Beyoncé , who is designing a new line of clothes Beyonce Maternity line reportedly is going to have a girl. Beyoncé Gets Maternity Fashion Advice from Sister Solange. Beyoncé's former kelly Rowland bandmate reportedly gave away the sex of the baby the superstar and her husband Jay-Z are expecting. How did Beyoncé respond to rumors her pregnancy was faked.