Gorgeous Niamh, who's also starring in the new series of BBC2's The Fall with Fifty Shades hottie Jamie Dornan, was the perfect choice to model our pick of the high street's best black dresses, whatever your budget.
Niamh wears (left to right): dress, £70, littleblackdress.co.uk, heels, £35 justfab.co.uk / dress, £92, Coast, earrings, £8, Claire's, heels, £14.99, New Look, bag, £26, Next / dress, £70, hedonia.co.uk, heels, £19.99, New Look / dress, £89, M&Co, necklace, £99.99 and bracelet, £19.99, thejewellerychannel.tv, heels, £30, Next / dress, £17.99, New Look, heels, £26.25, Stylist Pick, bag, £65, Dune. Styling: Aja Wallis, Hair & Makeup: Firyal Arneil using Bobbi Brown Cosmetics
From a classic, 90s-inspired number you can dress up or down (£17.99, New Look - top right), to push-the-boat-out, feather and lace perfection (£130, Oasis - bottom, second from left), there's something for everyone.
, with its giant bow (top, second from right).
And for a New Year's Eve party to remember, Niamh loved Hedonia's slinky, backless number (top middle), with cutouts at the waist and a plunging cowl neckline.
Niamh wears (left to right): dress, £65, Next, heels, £79, Dune / dress, £130, Oasis, heels, £14.99, New Look, bag, £28, Next, bracelet, £14, Kardashian Kollection for Lipsy, earrings, £7.99, New Look / dress, £38, Red Herring at Debenhams, heels, £28, Next, earrings, £10, chelseadoll.co.uk / dress, £60, Jessica Wright at lipstickboutique.co.uk, clutch, £18, alphabetbags.com, heels, £14.99, New Look / dress, £115, theprettydresscompany.com, heels, £35, justfab.co.uk, necklace, £99.99 and bracelet, £19.99, thejewellerychannel.tv. Styling: Aja Wallis Hair & Makeup Firyal Arneil using Bobbi Brown Cosmetics