z supply women's palisades midi dress black Rib Vintage Brown ZD212505 maintaining its color and shape through regular laundering Z Supply Women's Sunsought Strapless

Gathered detail at bust, lace up back with tie fastening, ruffle detail on straps, adjustable shoulder straps, invisible zip fastening at side

This pearl-embellished set is so chic and festive

And as well as being joined by co-stars Adam Sandler, Laura Dern , Billy Crudup , and Riley Keough on the red carpet, the 64-year-old actor was also joined by perhaps his biggest supporter: wife Amal Clooney

This essentially hides the silhouette and has a slimming effect

The long sleeve formal dress mini silhouette flatters a range of body types, skimming curves and elongating legs, while the added coverage up top means you can skip the extra layer (or the last-minute scramble for a jacket)