STREAM EXCLUSIVE ORIGINALS

Watch Taylor Swift & Lisa Kudrow Perform "Smelly Cat" Together At Staples Center

Nostalgia is now in full effect.

Taylor Swift brought yet another special tour guest onstage to perform with her--Friends star and Central Perk songstress Lisa Kudrow.

Introducing Lisa as her Friends character Phoebe Buffay, the duo sang Phoebe's classic, "Smelly Cat." Watch the cute clip above! Talk about best of friends, right?