Uncommon Combo\\nRich cocoa meets pale purple in a striking match that updates attendants' finery\\nThis minimalist take on the black tuxedo (note the single button and skinny lapels) strikes an alternative (but still classic) note. Tuxedo, Perry Ellis, [perryellis.com](http://www.perryellis.com/). White shirt, and lilac and white woven tie, Robert Talbott, [roberttalbott.com](http://www.roberttalbott.com/).\\nFor blooms guaranteed to pop against a mocha palette, pick a graphic gathering of anemones, sweet peas, and passion vine tendrils; about $300, Belle Fleur, NYC, [bellefleurny.com](http://www.bellefleurny.com/). Necklace, about $438, Roberta Chiarella, [robertachiarella.com](http://www.robertachiarella.com/).\\nYour girls will be grateful for a hip bag worth holding on to long after the party's over. The envelope clutch makes a comeback in metallic leather with a removable crystal brooch; about $200, Aksuona, [aksuona.com](http://www.aksuona.com/).\\nAn enchanting dress for a little princess, this charming confection has a satin bodice, a multilayered tulle skirt, and a chocolate sash that coordinates with the big girls' dresses; about $155, Sweet Beginnings, [jordanfashions.com](http://www.jordanfashions.com/).