Dakota Fanning, meanwhile, is promoting 'nightie' grunge chic on a trip out in New York ... Jessica Alba sharpens up her pastel casuals with some 50s style shades and a sporty oversize bag ...

Apparently we're having a 'Brat girl winter' now, and Charli XCX's effortless grunge glam is the perfect ... it's surely another fashion staple. She let the outfit do the talking and stepped ...