Mustache-You To Pass The Wine
Not all girls' nights are glamorous.
In preparation for her second-anniversary dinner with Sheldon, which was clearly outlined in their relationship agreement, Amy took her grooming routine to Penny's so the pair could talk beauty, boys, and marriage proposals.
Even when their conversations border on ridiculous, Penny makes sure to help Amy in any way that she can. Friends who wax together, stay together... or something like that.