vintage style prom dress Party Dresses Unique Long Evening cg25948 – classygown Be a stunning vision in everyones eyes with the Ballbella Forever Be Ball Gown Strapless High Split Sequined Flower Floor Vintage Burgundy Satin Prom Formal

The Balenciaga Layered Mid Length T-Shirt Dress from Balenciaga, available through store Cettire on BeyondStyle, is a curated standout in category

Top it with a slice of Swiss cheese

M : Bust 33", Hip 40", Length 33.5", Sleeve Length 11.5", Waist 31"

Performing for a sold out crowd, mostly of teenaged girls some of which reportedly camped out the night before, Katy laughed and joked with the audience and also paid tribute to St Patricks Day, wearing a green hat thrown onstage

When layered with a denim jacket, the outfit takes on a smart-casual feel that works for a range of settings

The key here is to appear relaxed but polished