Pixie Geldof is pregnant with her first child.The 30 year old, who is the daughter of rockstar Bob Geldof and the late Paula Yates, has been pictured showing off her blossoming baby bump while out for a sunny stroll on Tuesday, 30 March.The star wore a blue midi dress with a plunging neckline, which she teamed with a leather jacket and black tights alongside some suede kitten heels that featured silver buckles.