Beyonce and Jay-Z have welcomed their first baby, naming her Blue Ivy Carter. New auntie Solange Knowles and famous friends Rihanna, Diddy, Russell Simmons and Gwyneth Paltrow were among those tweeting their best wishes, with Rihanna dubbing the little girl "princess Carter" and Paltrow writing, "Welcome to the world Blue! We love you already." Read the full story here.
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