Melissa McCarthy previously worked with Feig on the film, Spy, which released in theaters earlier this month.
It's equal parts girly and sexy, just what our warm weather wardrobes need this season! This is likely because her new look is meant to be a surprise to movie-goers, just like the reveal of Ares was in Wonder Woman.
There's no telling why they're acting that way, but it could have something to do with why Wiig's character is at the school in the first place.
In fact, an additional set photo from the shows Wiig visiting the science institute, perhaps to investigate a strange, otherworldly disturbance.
Our pick of similar dresses below capture the essence of elegance perfectly and will solve all your upcoming evening events from weddings to the races, just team with muted sandals and a glitzy clutch for an understated finish.
She did her schooling from Nitrauer Elementary School, Allendale Columbia School, and Brighton High School.