Perry embarked on her second tour , the California Dreams Tour , in support of '' Teenage Dream '' from February 2011 to January 2012 . The tour grossed $ 59.5 million globally and won her the award for Best Live Act at the 2011 MTV Europe Music Awards . On September 23 , 2011 , she performed on the opening day of the 2011 Rock in Rio festival along with Elton John and Rihanna . In September 2010 , Perry was scheduled to appear on the 41st-season premiere of '' Sesame Street '' . After her scene was uploaded to YouTube , viewers criticized Perry 's exposed cleavage . Four days before the scheduled airing , Sesame Workshop announced that the segment would not air on television , but would still be available to watch online . Perry subsequently mocked the controversy on '' Saturday Night Live '' , where she was a musical guest and wore an Elmo-themed shirt showing large amounts of cleavage during one skit
2011 MTV Europe Music Awards
2011 MTV Europe Music Awards
Katy Perry