Katy Perry and Jennifer Lawrence have emerged as top Kids' Choice stars after leading all nominees for the upcoming Nickelodeon prizegiving. Both leading ladies are up for three awards - Perry will compete for Favorite Song (Roar), Favorite Female Singer and Favorite Voice From an Animated Movie for her role in The Smurfs 2, while Lawrence has been nominated for Favorite Movie Actress and Favorite Female Buttkicker, and her film The Hunger Games: Catching Fire will battle for the Favorite Movie prize opposite Iron Man 3, Oz the Great and Powerful and The Smurfs 2. Robert Downey, Jr. could also be hitting the stage three times - as well as starring in Iron Man 3, he is also up for Favorite Movie Actor, opposite double nominee Johnny Depp, Neil Patrick Harris and Adam Sandler. There are also multiple nominations for One Direction, Sandra Bullock, Taylor Swift and hit Nickelodeon show Sam & Cat, which leads the TV pack thanks to a Favorite TV Show nod and mentions for both stars Ariana Grande and Jennette McCurdy. The 27th annual Kids' Choice Awards will take place in Los Angeles on 29 March (14). The event will be hosted by Mark Wahlberg.