Taylor Swift fans are convinced that the singer's recent outfit is a sweet tribute to the popular US sitcom Friends, following the sad news of Matthew Perry's passing.Taylor, 33, is known for her love of Friends, and now fans have noticed a cute similarity between one of the singer's latest outfit and the iconic sitcom.The pop star has never hidden her love for Friends and she even invited Lisa Kudrow on stage during her 1989 tour for a duet of the sitcom's famous song Smelly Cat. "This singer, she's only ever played in coffee houses before.