Slide 1 of 41: You don’t have to be an A-lister to take a sneak peek inside your favorite celebrity’s home. Every month, we hand over the keys to the hottest star houses on the market, so you can see how the other half really lives. This month, Matt Damon lists his zen retreat, Teresa Giudice offloads her custom New Jersey mansion, Sandra Bullock sells her island compound and Sylvester Stallone prepares to part ways with his jaw-dropping $110 million estate. Let’s take a look…