Spanx adds jeans to its range

The American company that helped to popularize the shapewear trend has moved into the world of denim with a new jeans collection.

Spanx has unveiled its debut "premium denim collection", a line of denim pants packed with "patent-pending fabric and slimming patterns" designed to shape up your silhouette.

"Denim is a staple in every woman's wardrobe, I wear jeans all the time, but there are so many things about them that I wish were different," said Spanx founder Sara Blakely.

So change them she did. The two jeans styles she created are designed to make thighs look thinner and your legs look longer, and the pockets have also been strategically placed to give you a perkier posterior.

The 'Slim-X' comes in three styles (Skinny, Straight, and Super-Skinny) and features the classic five-pocket pattern and special shaping features including Triple Thread Technology. The 'Signature' (in Skinny and Straight) has a flat waistband and a zip on the side to draw the focus away from the tummy.

Both jeans come in a number of different washes, and are available online and in Spanx's US retail locations priced at $148. The collection will arrive in Europe in October when it hits stores in the UK.

The slimming jeans market has been booming over the past decade, with brands like NYDJ (Not Your Daughter's Jeans, founded in 2003) leading the way.