Exclusive: Marina and the Diamonds performs new song 'Homewrecker' - video
The singer - real name Marina Diamandis - is seen delivering an acoustic version of 'Homewrecker', which features on her new LP Electra Heart.
Watch the performance below:
The star recently debuted the artwork and tracklisting for the album, which is released on April 30.
Electra Heart marks Diamandis's second studio record, following 2010's The Family Jewels, which peaked at number five on the chart and spawned the hits 'Hollywood' and 'I Am Not A Robot'.
The 26-year-old previously explained the meaning behind the title of her new set as "a vehicle to portray part of the American dream", adding: "She stands for the corrupt side of American ideology."
Watch the music video for her new single 'Primadonna' - out April 15 - below: