The Great Gatsby is turning out to be the most influential fashion event of 2013. The premiere at the Cannes film festival on Friday was a super stylish event which saw the attendees pulling out all the stops in the style stakes. To put it quite simply, the abundance of beautiful looks on the big screen meant that it was simply unthinkable not to make the same amount of effort off-screen. Most fashion critics even commented on how glamorous the normally low-key star, Carey Mulligan looked on the red carpet, with sleek long hair and a slash of red lipstick. Great Gatsby Premiere stars Lipsy has some great Gatsby inspired…