The hits just keep pouring in for Taylor Swift, who has earned her second best selling single to date.
According to Billboard, "I Knew You Were Trouble" debuted at no.1 on the Pop Songs Chart thanks to 416,000 downloads this week. The song is only second to her massive single "We Are Never Ever Getting Back Together," which sold 623,000 copies first week.
"I Knew You Were Trouble" is the fourth of five tracks Swift has released in advance of her "Red" album, due out Monday, Oct. 22. She released the fifth cut, titled "State of Grace," Tuesday.
It's pretty clear, Taylor Swift is really winning with "Red."









