Ch-ch-check out the tweets (below)!
[Image via Jason Merritt/Getty Images.]
An insider explained the adorbz actors are:
"…going to do something small before the baby comes. They're both low-key, so neither stressed about changing plans."
Even though Olivia recently confessed she wanted a long engagement, a bouncing bundle of joy does sort of change things!
We'll be on the lookout for this potentially top secret party!
[Image via FayesVision/WENN.]