The agency has been briefed to apply its knowledge of SEO for fashion and tap into its network of influential style bloggers.

Tamar's activity will target digital-only brands to position Little Black Dress as the 'go to' brand for little black dresses.

Nathalie Gibbins, director of Little Black Dress, said: "With one of the finest and largest collections of dresses, we are confident that Tamar will help us become the number one destination site for LBDs, dresses and party fashion."

Tanya Goodin, Tamar CEO, said: "We're delighted to be working with Little Black Dress. They're a stylish brand with huge potential. It's a very competitive market but we have put together a succinct strategy that will take advantage of an enthusiastic community and give them the clout they need in search engines."