Today, J. Lo is the picture of motherly joy. Her twin son and daughter, Max and Emme, turn 3 years old today! J. Lo and her hubby, Marc Anthony, celebrated three years ago to this day on becoming first-time parents.

Lopez took to Twitter today to rejoice with her fans about her kiddies' birthday. "It's my coconuts bday 2day!!! HAPPY BDAY my beautiful babies," she proudly tweets. We wonder what kinds of birthday surprises the 'American Idol' judge has planned!

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