Mila Kunis & Ashton Kutcher Dude, Where's Our New Car?

9/18/2014 10:14 AM PDT

Mila Kunis & Ashton Kutcher -- Dude, Where's Our New Car? (PHOTO)

With a baby on the way and their transportation needs about to change drastically, Mila Kunis and Ashton Kutcher went shopping in the Valley Wednesday for a new car.

Mila has kept her due date secret thus far, but with Ashton tagging along with a stroller to test out trunk space ... you have to assume they're getting close.

Hard to imagine these two in a minivan, but you never know ...