'Mean Girls' celebrates 20th anniversary, here are 14 facts about the iconic movie you probably didn't know: 'Regina George was wearing a $10,000 wig'

Mean Girls is an iconic movie that a lot of us experienced growing up. Whether you were a North Shore High School student or not, we all obsessed over Lindsay Lohan and Rachel McAdams in their prime, giving us the iconic and oh-so-quotable lines that are still used today, 20 years later. From wearing pink on Wednesdays to making burn books, the movie was so memorable for an entire generation that it still resonates with us today. It was so successful that a remake came out not too long ago. But let's be real, it didn't live up to the OG movie. Having a remake, though, still says a lot about the success of the original.

Did you know that the iconic line "I want my pink shirt back" was improv? Or that the role of Regina George was originally offered to Lindsay Lohan? Or what about the fact that the movie was originally rated R?  In celebration of the movie's 20-year anniversary, here are 14 facts you probably didn't know about the movie that will make you want to re-watch it again. So, whether you're watching it for the first time or the hundredth, always remember: "You go, Glen Coco!"