But in a change to the usual routine of designer outfits and, in Rihanna's case, five new hairdos exhaustively documented on Twitter we have the movie's leading ladies wearing t-shirt tributes to director Peter Berg.
While Brooklyn appears to be wearing Berg's high school yearbook mugshot (and is doing that thing where you roll up your short sleeves on sports day to try and get a better tan), Riri has gone for the more "half-naked and surrounded by girls wearing not much" option.
FYI, this is Peter Berg now:
So what do you say to the t-shirt tribute? Cute or creepy?