WATCH: Taylor Swift and Lisa Kudrow belt out 'Smelly Cat' <br />Taylor Swift has invited more than a few of her famous friends on stage with her during the L.A. leg of her 1989 tour. <br /> <br />Guests have included Kobe Bryant, Chris Rock, Uzo Aduba, Mary J. Blige and John Legend, to name a few. But T-Swift may have saved the best for last.
