UPDATE: These pictures turned out to be for Episode 15 and are NOT for a wedding.
Some fan comments and photographs have emerged that give a very strong hint to the ending of My Fair Lady. Click below to see spoilers. Or not if you don’t want to know until the episodes air. 
According to tips at DC-MFL, the My Fair Lady production will be shooting at a wedding shop/bridal boutique today (Oct 5, 2009). Tip translated by smr05.
Below are fan photos taken at the filming location:
It looks like Hye Na and Dong Chan are getting married and together with the Episode 15 preview, this strongly points to a happy ending. So everyone worrying about a sad ending can rest easy. 
