Katy Perry adds new tour dates with Janelle Monáe

On April 18, American pop star Katy Perry announced a slew of new US dates for her California Dreams tour, featuring American R&B artist Janelle Monáe.Perry launched her massive world tour in support of her hit album Teenage Dream on February 20 in Lisbon and is headed to Australia on April 28 for a string of shows in Melbourne, Adelaide, Sydney, Brisbane, and Auckland.Her North American tour