Frankie Sandford's M Missoni Horizon Flame Black, Red, Bright Pink & Tan Zig Zag Pattern Sleeveless Halterneck Fine Knit Sweater A-Line Mini Dress With Embellished Beaded Neckline

You can view Frankie in her unique multicoloured halter mini dress here.

You can buy Frankie's dress here from the US based Shopbop website.

For the rest of the girls' outfits in the video linked above please check the The Saturdays label.

Item image via Shopbop.