Black Dresses: Jessie J V. Iggy Azalea
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Fashion Face Off: Jessie J V. Iggy Azalea

4. Black Dresses: Jessie J V. Iggy Azalea
Every woman needs to have a good black dress in her wardrobe and this classic, timeless look is one of the most wearable styles these girls have rocked. Jessie went for sheer panels while Iggy chose spaghetti straps - but which lady's style do you like the most? Picture: PA/Getty