One Direction made their Saturday Night Live debut on US telly last night, rounding off a two month promotional cmapaign that saw their album hit the top spot.
The British boy band, who finished third on The X Factor in 2010, made history after Up All Night debuted on top of the US charts last month, and they show no signs of stopping there.
The group will embark on a US tour in May, with special guest Olly Murs, and also have concerts in Canada, Australia and New Zealand.
After that it's back to Blighty for a huge sell around arena tour in 2013, with nine nights at London's O2 Arena.
Watch One Direction performing What Makes You Beautiful on Saturday Night Live below...