Beyoncé and Jay-Z's baby Blue Ivy - in pictures

Beyonce Knowles holds her daughter Blue Ivy Photograph: Ed Burke for Beyonce.com/AP Blue Ivy, the daughter of performers Beyonce Knowles and Jay-Z Photograph: Ed Burke for Beyonce.com/AP Rapper Jay-Z holds his daughter Blue Ivy Photograph: Ed Burke for Beyonce.com/AP Blue Ivy, the daughter of rapper Jay-Z and his singer wife Beyoncé Knowles. Photos of the one-month-old were posted by her parents on a Tumblr blog page . A handwritten note accompanying the photos reads: 'We welcome you to share our joy.' Photograph: Ed Burke for Beyonce.com/AP Beyoncé attends the after party following Jay-Z's concert at Carnegie Hall last week Photograph: Kevin Mazur/Getty Pregnant singer Beyoncé arrives at the 2011 MTV Video Music Awards in August Photograph: Jason Merritt/Getty Beyoncé and Jay-Z perform at Yankee Stadium in 2010 Photograph: Kevin Mazur/Getty