When did Jen Arnold and Bill Klein, of TLC's "The Little Couple," know that they wanted to marry each other?
In HuffPost Weddings' first installment of the site-wide video series "The Moment I Knew," Arnold and Klein each share the moment they knew their spouse was "the one." Watch their "moments" in the video above.
Submit your own "Moment I knew..." story to firstname.lastname@example.org
Season 5 of TLC’s The Little Couple premieres Tuesday, March 20 at 10PM ET/PT