Taylor Swift has collected more gold and platinum certifications from the RIAA. Her country single “Begin Again” has reached platinum for 1 million downloads, while her pop hit “I Knew You Were Trouble” has achieved quadruple-platinum status for 4 million downloads. In addition, her latest single “22″ has been certified gold for 500,000 digital downloads. Swift is the highest-certified digital artist in country music history. Upcoming dates on her Red tour include Wednesday (April 10) in Miami as well as Thursday and Friday (April 11-12) in Orlando, Fla.