Reality TV star Kim Kardashian, who is known for her style statements, has grabbed attention for her new bold backless outfit that she wore for an outing with husband Kanye West.

The 33-year-old was spotted wearing an open-back top with denim bermuda shorts and yellow heels to catch a movie in Calabasas, Los Angeles Sunday, reports dailymail.co.uk.

Kanye, 37, wore a grey T-shirt paired with dark trousers and camel coloured boots. He accessorised with a chain, featuring the name of their 16-month-old daughter, North.

However, their daughter North, was not part of the outing.

Meanwhile, the "Keeping Up With The Kardashians" star is gearing up to celebrate her 34th birthday Tuesday.

She will host her birthday bash Oct 24 at the Venetian's TAO nightclub in Las Vegas.