Rihanna has unveiled her new collection for UK label River Island in full.

The singer has collaborated with the British high street store on a second clothing line for Autumn/Winter 2013.

Rihanna's new range carries the same urban feel as her debut River Island offering, although this season her styles have a more glamorous and sporty edge.

The line will be available in two separate drops throughout the season, with the first instalment coming in September and the second in November.

All the items have clear elements of the star's signature style.

Daring thigh-high, towering camouflage boots with a stiletto heel are one stand-out piece from the collection.

Rihanna's preference for a sexy tomboy look can also be seen in the bomber jackets, slouchy knee-length shorts and oversized jumpers.

The singer's love of revealing figure-hugging ensembles is reflected in the body-con mini dresses, super small hotpants, crop tops and sporty lingerie.

As well as the green camouflage boots, the accessories section contains strappy evening sandals, rucksacks and slouchy oversized beanie hats that display a Riri slogan.

It is not known if Rihanna will showcase the new line at London Fashion Week this season. Her debut range was shown on the catwalk in February in London.

Rihanna's co-designer Adam Selman recently revealed how much fun they had putting together the new range.

"There is a real concept to this one. I can't give too much away, but we travel so much and experience so much of the world. We're very lucky to do so and that definitely inspired us," he said.

"The idea of sports uniforms and masculine vs feminine is something we evolved from last season too. There was a lot of pressure with our debut - this felt more relaxed."

Check out Rihanna behind the scenes at River Island in this video:

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