'Sweet Talk' serves as the latest cut from her debut album Devotion. Its impact date is listed for January 21.
The track follows previous hits '110%', 'Wildest Moments' and 'Night Light'.
Devotion - which was nominated for this year's Mercury Music Prize - entered the charts at number five in August this year.
>Read Digital Spy's review of 'Devotion'
Ware previously spoke of her excitement to release her LP in the US, adding: "There are so many great singers out there. I just seem to be in the right place at the right time."
The singer recently teamed up with Katy B for the song 'Aaliyah' on her new EP 'Danger'.
>Digital Spy's top albums of 2012 (10 - 1)