This one where both of them are news anchors on national TV. Check out the video of Matt Laubhan proposing to Emily Leonard. The expression on her face is so funny and him so adorable.
Full video link: http://www.youtube.com/watch?v=HIMi5lx9Rls
PS. That's the first time I saw an American name with 'bh' in it. I thought they were never able to pronounce that sound. :P