Behind the scenes at Taylor Swift's week at Staples Center

Taylor Swift spent the last week of August performing her hits old and new at the Staples Center and she brought with her some very special guests. She and Jennifer Lopez sang "Jenny from the Block" for her last show, Ellie Goulding came out for "Lights" one night, Tegan and Sara belted "Closer" with her, and more.

-I.

source:zimbio