Fans are shocked yet excited for the engagement of former Kyle XY star, Matt Dallas. Over the weekend, the actor revealed via Twitter that he is engaged...to a man ie he is gay. View the first photo of his Matt's husband to-be. His fiancé is musician, Blue Hamilton, and they've been secretly dating since 2009. Dallas tweeted, "Starting off the year with a new fiancé. A great way to kick off 2013!"