The boyband stars, who also led the charge at last year's prize-giving, were named winners of two top awards - Favourite Music Group and Favourite Song for Story Of My Life.Meanwhile, in the movie categories, Lawrence picked up Favourite Movie Actress and Favourite Female Buttkicker for her turn as Katniss Everdeen in The Hunger Games: Catching Fire. The film was also named Favourite Movie.Selena Gomez was on hand to claim her prize for Favourite Female Singer, and grew emotional as she collected the ceremony's blimp-themed trophy.She said: "Thank you so much. This has been such an amazing year already for me and I just have to say that you guys have been the most loyal, dedicated people in my life, because you continuously, every year, bless me with the opportunity to do what I love, so thank you so much. You guys are awesome, and this is for you. So, thank you."Justin Timberlake, another no-show, was named Favourite Male Singer, while Adam Sandler collected his prize for Favourite Movie Actor.As usual, some celebrities weren't so lucky, and instead of walking away with awards, sloped off the stage covered in the event's famous green gunge. Host Mark Wahlberg, Kaley Cuoco and Cody Simpson were among the slimed stars.The full list of winners at the Nickelodeon Kids' Choice Awards is:Favourite Movie - The Hunger Games: Catching FireFavourite Movie Actor - Adam Sandler (Grown-Ups 2)Favourite Movie Actress - Jennifer Lawrence (The Hunger Games: Catching Fire)Favourite Animated Movie - FrozenFavourite Voice From An Animated Animated Movie - Miranda Cosgrove (Despicable Me 2)Favourite Male Buttkicker - Robert Downey Jr. (Iron Man 3)Favourite Female Buttkicker - Jennifer Lawrence (The Hunger Games: Catching Fire)Favourite TV Show - Austin & AllyFavourite TV Actress - Ariana Grande (Sam & Kat)Favourite Reality Show - WipeoutFavourite Cartoon - Spongebob SquarepantsFavourite Animated Animal Sidekick - Patrick Star (Spongebob Squarepants)Favourite Music Group - One DirectionFavourite Male Singer - Justin TimberlakeFavourite Female Singer - Selena GomezFavourite Song - Story Of My Life (One Direction)Favourite Book - Diary Of A Wimpy KidFavourite Funny Star - Kevin HartFavourite Video Game - Just Dance 2014Lifetime Achievement Award - Dan Schneider.