X Factor winners Little Mix have become the first British girl group to debut in the US top five - beating even the Spice Girls.
The quartet reached number four in the Billboard charts after selling 50,000 copies of their first release DNA.
X Factor boss Simon Cowell also applauded their achievement, sending the girls an online message saying: "Congratulations Little Mix. Very proud of you."
The album has sold more than two million copies around the world and their team prepared for their US assault by mobilising their fanbase online and making personal appearances ahead of the release.
The Spice Girls entered the US chart at number six when they released first album Spice in 1997.
Little Mix, whose hits include chart-topper Wings, responded to Cowell with a message on Twitter which read: "Thank you so much Simon. Thank you for all your support from day one."
The group has had further help in the US by the inclusion of Wings in an edition of hit show Glee and contestants on this season's American Idol covered the song.