One Direction have surprise for fans at Kid's Choice Awards

Boy band One Direction never dreamed that they could conquer the US so early in their career, but after becoming the first UK group to see their debut album enter at No. 1 on the Billboard chart last week, the boys from Britain are relishing their stateside welcome.

The boys have become hot property in the U.S., with hundreds of excited young girls turning up to their scheduled appearances and gaining a strong following on social media platforms. More than 3.9 million Facebook fans and 2.5 million followers on Twitter, often calling themselves 'Directioners.'

"Up All Night" sold more than 176,000 copies in its first week, making chart history in the United States.

One Direction will be performing at today's Kid's Choice Awards and said they have a special surprise up their sleeves for their fans when they sing their hit song "What Makes You Beautiful."

The boys will be performing alongside pop star Katy Perry at the annual awards show honoring children's favorite music, television, film and pop culture acts, with celebrities often getting slimed with a gooey green substance on stage.The Kid's Choice Awards will be hosted by actor Will Smith, with appearances by Michelle Obama, Nicki Minaj, Zac Efron and Big Time Rush, and will air on Saturday on Nickelodeon cable channel.