Print-at-home pattern (US Letter and A4) (72 pages with print guide and size layers so you only have to print what you need Includes all bust sizes)
Downton Abbey actress Michelle Dockery, Oscar-nominated star Amy Adams, and yes, Kim Kardashian, have all been widely photographed this year wearing dangerously low-cut outfits

Sleeve Separation (RS) ch2 Back hdc in the next 16[19,21,24,27] sts Armhole hdc in ch st skip the next 27[31,35,41,45] sts hdc in the ch st Front hdc in the next 33[39,43,49,55] sts Armhole hdc in ch st skip the next 27[31,35,41,45] sts hdc in the ch sp Back hdc in the next 17[20,22,25,28] sts sl st to the first hdc turn TOTAL STITCHES 70 [82, 90, 102, 114] Body Row 1 (WS) ch2, hdc in each st around, sl st to the first hdc, turn Repeat first row 1[1,3,3,5] times Puff Row (WS) ch2, alternate puff/hdc around the row, sl st to the first puff st, turn Hdc Row ch2, hdc in each st around the row turn Skirt Ruffle Row (see pic & video below) ch2, *[work (1 hdc in the front loop, 1 hdc in the back loop) in the first hdc] repeat from * across row, sl st to the first hdc, turn Skirt Row 1 ch2, hdc in each st across, sl st to the first hdc, turn Repeat Skirt Row 1 until your dress measures 33cm/13in [41cm/16in,46cm/18in, 56cm/22in, 63.5cm/25in] from the top of the shoulder or your desired length

The latter being ideal for a dress code of this caliber
A strong concert outfit respects the setting instead of fighting it