Grey's Anatomy is about to get girly. To the max.

That's what you get when the show's all-girl couple gets pregnant, after all ... although one of the two parents-to-be is decidedly more excited about the girliness.

When new episodes of Grey's Anatomy return March 24, Arizona is going to see a new side of Callie, according to Jessica Capshaw, who plays the former:

With these three, there's never a dull moment.

"Callie has this obsession with baby showers, and she has this massive need for attention and girliness," Capshaw tells TV Guide. What does that result in?

"Arizona keeps guessing wrong on what Callie would want and Mark keeps guessing correctly," she teases. "Finally, Arizona just gets sick of it, so Callie decides to give Arizona, as a baby shower present, a trip away for the weekend."

We're still not sure what the endgame is for this odd parenting triangle, but that should be fun to watch. As the Calzonasloan World Turns ...

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.