Fashion isn't for babies - or is it? The designers find themselves babysitting and designing at the same time when Heidi asks them to create looks for her Babies R Us collection. Some designers will be left crying for their mamas when they get to the runway. New mom actress Hilary Duff guest judges.

After their hometown visits with Tim, the designers head back to New York to duke it out for their place to show during Mercedes Benz Fashion Week. The final four must present three looks to the judges on the runway to see who earns one of the three spots to show at Lincoln Center.