The stars jetted off on vacation together last month (Jul15) and The Hunger Games star has since revealed they are hoping to play sisters in an untitled comedy.

She tells the New York Times, "We're almost done writing. It just flowed out of us. We've got about 100 pages right now.

"Amy and I were creatively made for each other. We have different flavours. It's been the most fun experience of my life. We start the day off on the phone, laughing. And then we send each other pages and we crack up. I'm flying out tomorrow to see her in Chicago. We'll write a little bit with her sister, Kim, who worked with Amy when she was writing Trainwreck."

Lawrence and Schumer formed a friendship earlier this year after the 25 year old emailed the comedienne to praise her for her hit comedy Trainwreck.

She continues, "(I said), 'I don't know where to get started. I guess I should just say it: I'm in love with you.' We started emailing, and then emailing turned to texting. We really hit it off, to say the least..."