<iframe width="580" height="385" src="https://www.youtube.com/embed/kjCh1u8SQlE?autoplay=1" frameborder="0" allowfullscreen></iframe> <br>After James Corden and David Schwimmer exchange blows in a heated rap battle, Rebel Wilson shows up to end it all and drop ... <br><a href="https://www.youtube.com/watch?v=kjCh1u8SQlE">source</a>