Kirsten Vangsness is preparing to walk down the aisle!br E!br News has confirmed that the Criminal Minds star is engaged to her actorwriter boyfriend Keith Hanson, who popped the question to his leading lady two weeks ago at the Redbury hotel in Hollywood in front of some of the couple's nearest and dearest.br Hanson presented his now-fiancée with a gorgeous emerald ring that included diamonds for an extra sparkle.br "He's the perfect partner for me, and I feel like we evolve," the actress told People, who first reported the story.br "When you're so into somebody and you get to just mush up next to them that's the best part of it.