Heartwarming footage has emerged from the US of a woman unknowingly filming her reaction as her boyfriend asks her to marry him. <br /><br />The video, filmed on the "Stand By Me" bridge in Oregon in November, shows Matthew singing to his Markella before getting down on one knee popping the question.<br /><br />All the time, Markella thinks she is only filming Matthew but she's actually filming her own face as well, and this is the resulting video.
