It's not everyday that two of the biggest names in fashion go head to head.
And even if one of them is fictional, it still makes for some great entertainment.
Ben Stiller is on a pretty epic promotional stint for the upcoming release of Zoolander 2 in February but this short clip may be the best part of it.
Top model of the world Cara Delevingne and Zoolander battle it out on the banks of the Thames in a catwalk showdown during Paris Fashion Week.
The clip even includes Cara's adorable new pup Leo strutting his stuff.
Watch the hilarious clip below: