In this undated image released by Beyonce.com, Beyonce Knowles holds her daughter Blue Ivy in a recent family photo.

Photos of the 1-month-old were posted by her parents on Tumblr blog page http://helloblueivycarter.tumblr.com.

A hand-written note accompanying the photos reads, "We welcome you to share our joy." (AP Photo/Ed Burke for Beyonce.com)

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