'Downton Abbey' Does One Direction In 'What Makes You Beautiful' Lip Dub (VIDEO)

What do you get when you put together PBS's hit period piece "Downton Abbey" and boy band One Direction's 2011 hit "What Makes You Beautiful"? A masterful mash-up of our two favorite British pop culture phenoms -- and pretty much the best lipdub ever. Check it out in the video above.

Tell us: What do you think of the 'Downton' cast's rendition of "WMYB"? Share your thoughts in the comments or tweet @HuffPostTeen.