Lily Tomlin's character Frankie has a line about not being able to shrink yourself and live in your little house and Lily Tomlin starred in the 80's movie The Incredible Shrinking Woman
During the gender reveal party, Allison's says that her last name is Giampietro-Smikowitz.
The first egg Mallory throws at the hood of Mitch's car barely splatters onto the windshield. When she throws the rest of the eggs there is a prominent smeared egg already on the middle of the windshield (15:30 in)