Released: 29th June 2014
Album: My Everything
Check out the retro music video for the US singer's collaboration with hip-hop star Iggy Azalea, 'Problem'.
The clip sees the singer performing the song flanked by dancers and body contortionists.
"exciting day loves.... another vid down!" she tweeted. "more to come ( soon... yeh I said it ) thank u for your positivity & light!!"
'Problem', which features rapper Iggy Azalea, has had massive success across the globe including here in the UK where it entered the chart at No.1 in June 2014.
Watch the 'Problem' music video and let us know what you think of the track below...