Hollywood star couple Brad Pitt and Angelina Jolie are likely to exchange wedding vows in a few months, according to sources.The "I do's" could take place at their newly-renovated Chateau Miraval in Correns, France, in an intimate ceremony, reports usmagazine.com.An insider says that the wedding "would be intimate and informal". Brad said told a popular magazine: "The kids ask about marriage. It's meaning more to them so it's something we've got to look at."Although Jolie, 36, and Pitt, 47, have long resisted traditional marriage, the actress had earlier said they might change their mind.