With news of Miley Cyrus and Liam Hemsworth's engagement breaking last week, many were wondering if the two were a little too young to be thinking about walking down the aisle. While their relationship is considered ancient when compared to other Hollywood romances, the fact that Miley's still in her teens has some people a little concerned. But Miley and Liam aren't the only youngsters to rush into tying the knot: here are some celebrities who married pretty young!