As Laura catches sight of the disgustingly adorable outfit she's being offered, she decides that she's far beyond done with the toddler experience. She breaks into a sprint for the exit. Dodging well intentioned parents trying to stop her along the way, she succeeds and makes it through the exit.
Adjusting her path, she heads back to her brother's house. She expects the woman or someone else to be giving chase, but she doesn't dare stop to check. Not slowing down for a second along the way, she races through the front door and locks it behind her.
Heart still beating out of her chest, she rips off the diaper and heads back to Alexis' room. There she finds clothes that make her feel mature again; big kid undies, jeans, and a Batman shirt complete with a cape. Looking in the mirror, she's happy to see the kid there looks far too old to be in diapers.