Today on Twitter, Kesha tweeted that she was joined by heavy-metal legend Alice Cooper to perform 'Schools Out' in Oslo, Norway. We wonder if the pop star made friends with Cooper's signature snake. Jay Sean marveled about his visit to the country of Kazakhstan and Katy Perry cracks a joke about the great state of Ohio. Kris Allen tweeted about being disoriented, meanwhile Adam Levine seems to be going through withdrawals from his judging stint on 'The Voice.' Read what the stars were chirping about today on Twitter!