Taylor Swift Bummed She'll See Justin Bieber If She Does Wango Tango

Hollywood LifeTaylor Swift Bummed She'll See Justin Bieber If She Does Wango TangoHollywood LifeOh no — Taylor Swift, 25, has to make a tough decision! Her beau, Calvin Harris, 31, is performing at KIIS FM's Wango Tango, and now she has the opportunity to sing on the same stage. But, before we dream about these two doing a duet, HollywoodLife ...