Blue Ivy Carter even has swagger when she sleeps!

A source tells Us Weekly that the newborn's mom Beyonce purchased a $3500 NurseryWorks VETRO Lucite crib at an NYC boutique. 

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Beyonce, 30, was accompanied by her sister Solange Knowles and mom Tina when she purchased the luxurious crib at the end of November. A source tells Us the singer also purchased a NurseryWorks mattress to fit the crib. 

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The Grammy winner and hubby Jay-Z, 42, welcomed baby Blue Saturday at NYC's Lenox Hill Hospital. "We are in heaven!" the proud parents said in a statement released Monday on Beyonce's website. "Her birth was emotional and extremely peaceful... She was delivered naturally at a healthy 7 lbs and it was the best experience of both of our lives."

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Blue's crib will fit right in with her extravagant nursery. A source told Us in October that Beyonce and Jay-Z were building a 2,200 square foot nursery in their Tribeca apartment.

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