“Every time we do a movie, I always think, ‘Who stole some of their scenes? Could any of these people star in their own movie?’” Apatow says. After seeing Wiig light up the screen as Jill in Knocked Up, he knew he’d found his next star.

“After Knocked Up, I thought Kristen deserved to be the lead of a movie. I asked her if she had any ideas and she came back to me with this idea about bridesmaids she’d worked on with her friend Annie Mumolo.”

Together, Wiig and Mumolo spent years re-writing their script, boiling it down to its funniest bare essentials. They were adamant that their wedding movie wasn’t going to end up being a nuptial nightmare in the same mould as Bride Wars.

“Bridesmaids focuses on something that a lot of women can relate to: the people who are in the wedding,” Wiig says.

“We wanted to tell the real story of what it’s like to be in one and what you’re expected to do. It’s a lot, and it’s kind of a pain in the ass.” They started in a place of familiarity…