Her third studio album '' Sweet Talker '' was released on 13 October 2014 in the UK , where it peaked at number 5 . " Bang Bang " recorded with Ariana Grande and Nicki Minaj serves as the first single from the album . The song reached number one on the UK Singles Chart , becoming her third number one and seventh top five single in the UK . " Bang Bang " debuted on the US '' Billboard '' Hot 100 at number 6 , making it the second highest new entry of 2014 on the chart . The song became Jessie J 's second top 10 single in the US , after her previous single " Domino " , and eventually peaked at number 3 . In 2015 , she became the judge and mentor of '' The Voice Australia '' . In the nominations for the 2016 Brit Awards , Jessie J 's 2015 single " Flashlight " ( from the soundtrack to the film '' Pitch Perfect 2 '' ) was among the nominees for Best British Video . In January 2015 she began the Sweet Talker Tour to promote the album
2016 Brit Awards
2016 Brit Awards
Jessie J