Update: It has been confirmed that Gwyneth Paltrow and Stella McCartney are working on a capsule collection, which will include denim, jumpsuits, classic blazers, and handbags. Of the collaboration, Gwyneth told WWD: "We complement each other. It was the right time. We're very close friends. We were bringing two worlds together and it was important not to force them." Not that we need a reason to ooh and aah over adorable photos of best friends Gwyneth Paltrow and Stella McCartney together, but since it was announced that the fashionable duo will be collaborating on a special project with Goop, Gwyneth's lifestyle site, we jumped at the opportunity. Before it launches on Sept. 13, click through to see adorable snaps of the pals, dating all the way back to 1999!