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Can you believe Pink gave birth just two short months ago? The usually ultra-fit singer stepped out to pick up some essentials at a CVS in Malibu Wednesday, and we just can't get over how fast she's shed the baby weight!

Pink and her hubby, motocross star Carey Hart, say they've been "blissed out" all summer with their new little bundle of joy, Willow Sage.

In fact, the "Stupid Girls" singer has been documenting the good, the bad and the "poopy" side of being a new mom. On Tuesday she Tweeted, "haven't had anything interesting and non poo related to talk about. i'll come up with something."

We wouldn't be surprised if Pink made that CVS run for more diapers!