Pink kept her pregnancy under wraps until the very last minute, but now that she and husband Carey Hart have welcomed their son Jameson Moon Hart into the family, she has no qualms about keeping fans updated with many pictures of him on social media.

The "So What" singer greeted the new year but uploading this adorable picture of her 5-year-old daughter Willow Sage cradling her newborn baby son, born on December 26th.

That's a smile of one proud big sis.

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Willow is definitely a spitting image of her mother. She even is rocking the pink locks that gave her mom her namesake. Maybe Jameson will get a dye job once he has hair, too.