Katy Perry has joined the lineup for this year's Nickelodeon 2012 Kids' Choice Awards, which take place Saturday, March 31 at 8 p.m. ET.  It'll mark the first time that Katy's performed on that particular show.  Among the presenters announced for the show areCee Lo Green, Emma Stone, Andrew Garfield, Chris Rock and Glee star Chris Colfer. In other Katy Perry news, her dad said that even though his daughter and Russell Brand have split, he and the British comedian are cool and are still in touch.  "There are no hard feelings towards Russell. "I just received a text from him the other day in fact," Keith also said  "He is a wonderful and smart guy." Hudson says of his daughter, "Katy is doing well just now" but when asked what went wrong in the marriage, he replied, "Her career got really busy and she did not get to see that much of Russell -- it was just one of those things." Hudson also said he knew nothing about reports that Katy has been dating a sexy model.