“World War Z” is one of the most anticipated films of the summer, and it’s now on the June cover of Vanity Fair. “omg! Insider” goes inside the pages of the mag to get the details about the pricey battle between Brad Pitt and Leonardo DiCaprio. According to Dana Brown, deputy editor of Vanity Fair, Pitt won the rights to the movie for a reported $1M, making it “the most expensive zombie film ever made.” For the latest entertainment news, check out “omg! Insider” on TV.