Kim Kardashian, Kourtney and Khloe strip off to launch their new Intimates range

In the bedroom with Kim Kardashian! The world's most famous siblings strip off to launch their new Intimates range

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UPDATED:

09:31 GMT, 14 March 2012

She's certainly no stranger to stripping off for photoshoots.

But for the launch of their new lingerie range, Kim Kardashian was joined by her sisters Khloe and Kourtney, as the trio donned a series of sexy ensembles to promote their Kardashian Kollection Intimates line.

In the photo, which Kim shared with her fans, Kim is seen donning a sexy black lace bra and knickers set, with Kourtney wearing a similar nude and black set with matching hold ups.

Sexy siblings: Kim, Khloe and Kourtney Kardashian strip off the promote their new Kardashian Kollection Intimates range

Sexy siblings: Kim, Khloe and Kourtney Kardashian strip off the promote their new Kardashian Kollection Intimates range

Khloe, meanwhile, stands centre in the shot, showing off her curves in a black basque and stockings.

The picture is believed to have been taken a long time ago, before Kourtney announced she was pregnant with her second child.

Launching the range, Kim said: 'My sisters are I are excited to reveal our new ad for our Kardashian Kollection Intimates!

In the bedroom with Kim Kardashian! The star later shared another sexy shot of herself, believed to be another promotional picture for the range

In the bedroom with Kim Kardashian! The star later shared another sexy shot of herself, believed to be another promotional picture for the range

'The intimates line is so gorgeous, comfortable and feminine and we are very proud of the line!'

Kim later tweeted a picture of
herself reclining sexily on a bed wearing just a pair of tiny pink silk
shorts, holding a sheet to her chest to protect her modesty.

The 31-year-old reality star cheekily accompanied the shot with the caption: 'Can't sleep tonight …'

It is believed the shot was taken from an upcoming campaign for Kardashian Kollection Intimates.