Taylor Swift Performs "Hey Porsche" w/ Nelly Live

Taylor Swift was joined on stage last night (March 19th) in St. Louis, MO by rapper Nelly, for a surprise duet of his new single, "Hey Porsche".

You can watch a fan-shot video of the performance by clicking read more.

Don't forget, Taylor is currently out on her Red nationwide tour with Ed Sheeran. All dates and ticket information can be found here.