Katy Perry in Red Cut T-shirt (photos): The 25-year-old had filmed a musical number with Elmo for the show but parents complained her low-cut dress and ample cleavage was inappropriate for youngsters when the clip was previewed online.

In her poke at producers, Perry last night played the role of library volunteer Maureen, who had been told by staff to wear "looser-fitting clothing" to work around children. Bouncing up and down on the Bronx Beat couch, a buxom Perry was consoled by hosts Amy Poehler and Maya Rudolph, who told her "boobs feed babies, alright.""I see CSI last night and there's a dead guy with worm in his eye and we can't watch the top of boobs?" Rudolph said.

"So dumb, America."Perry took to Twitter on Friday to express her surprise at being axed from Sesame Street. Her fiance Russell Brand has also used the social networking site to joke about the decision."Sesame Street will NOT be brought to you by the number 34 or the letter D," he wrote before asking Perry: "Can you tell me how to get, how to get to Sex-with-me Street?"