Britney Spears Throws Massive Shade at Iggy Azalea & Her Cancelled Tour

Britney Spears is firing back at Iggy Azalea‘s comments that say she’s the reason that their song “Pretty Girls” flopped.“Can’t wait to get back to Vegas. So thankful I have shows for the rest of the year to look forward to… #YouWantAPieceOfMe” the 33-year-old superstar wrote on her Twitter account in an amazing tweet. Brit, of course, is referring to Iggy‘s twice cancelled tours.Read Iggy‘s full comments on why she thought “Pret