The best plus size party dresses. From timeless slips, soft silhouettes, and the sophisticated plus size black party dress, we have a coveted collection of contemporary plus size evening dresses. When the disco ball calls for plus size club dresses, opt for playful animal prints and don dramatic hues. If your formal event requires plus size cocktail dresses, shake things up with a romantic midi wrap dress. In this edit, you will find everything from a bodycon plus size white party dress to an elegant maxi delight. Your new favorite plus size party outfits await.