ALIEN INVASION (INVASION OF THE BODYSNACTHERS, MEET THE STEPFORD WIVES, MEET SHAUN OF THE DEAD)

The World's End  2013 - a group of friends who discover an alien invasion during an epic pub crawl in their home town. Gary King, a middle-aged recovering drug addict, resolves to track down his estranged schoolfriends and complete the "Golden Mile", a pub crawl encompassing 12 pubs in their hometown of Newton Haven. Gary gets into a fight with a surprisingly strong and agile teenager, and knocks his head off, exposing him as a Alien. Gary's friends join him and fight more Bodysnacthing Aliens, after which Andy abandons his teetotalism and drinks an order of shots. The group decide to continue the pub crawl to avoid suspicion. Gary warns her of the Alien  invasion. She is convinced after Gary saves her from twins  impersonating her friends. At the eighth pub, The Mermaid, Aliens  impersonating attractive girls from their youth attempt to seduce the men and steal their DNA. That's how the Alien invasion is spread                     http://en.wikipedia.org/wiki/The_World%27s_End_%28film%29