Topless Kim Kardashian, a jiggly ride and a nip slip... Kanye West and his fiancee simulate sex in shockingly gratuitous video for Bound 2 .

                      

Fans were promised a ‘sexy’ appearance by Kim Kardashian in Kanye West’s new music video and she doesn’t disappoint.

The 33-year-old reality TV star appears topless in the raunchy video for Bound 2, which premieres on Ellen on Tuesday, and at one point straddles her fiancé on a motorbike while passionately kissing him.

Kim shows off the results of her 50lbs weight loss since the birth of their daughter North in June, as she reclines on the bike alone at the beginning, wearing just tight trousers a pair of high heeled boot....

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The video opens with an eagle and some galloping horses before Kanye appears alone on screen

It then cuts to him simulating riding a motorcycle Monument Valley in Utah before viewers are treated to the first glimpse of Kim.

The mountains of Yosemite also feature although those watching can be forgiven for paying more attention to Kim and Kanye's raunchy performance than the scenery.

The Keeping Up With The Kardashians star, who dyed her hair blonde after giving birth to North, shows exactly what attracted Kanye to her as she writhes around on a motorcycle.

Although she is bathed in shadows, it is obvious that she is naked apart from skintight trousers and high heeled boots.

Viewers are also treated to numerous close ups of Kim's face as she pouts into the camera.                          The video cuts between Kanye rapping, wearing black trousers and a plaid shirt, and riding the motorcycle in a tie dyed T-shirt with Kim either behind him, with her arms around his waist or straddling him.

There are numerous close-ups of her breasts, bathed in shadow, as Kim lays back on the bike with Kanye in front of her.She also showers him with kisses before the pair start making out.                                             Premiering the video, which has been directed by fashion photographer Nick Knight, Kanye spoke to Ellen DeGeneres about his relationship with Kim, revealing they had been ‘practising all the time’ before Kim got pregnant, adding ‘practise makes perfect’.

He also spoke about his over-top-proposal, saying Kim deserved something special.

Kanye explained: ‘It was just awesome. I think that Kim is awesome and she just deserved like awesome moment like that.

‘Yeah she thought I was going to bring Lana Del Rey out and you know she's already expecting these type things. She's oh yeah, it’s just something that he would do… rent out a baseball field and bring Lana, yeah birthday or whatever

‘So I knew I had to turn up more because I think people expect even more from me in every situation whether it’s an album, a video or concert, or you know an engagement. I may have taken it to a completely, you know, yeah….another level.'

However, Kanye acknowledged people do mock him for his public declarations of love, saying: 'I don’t know if I can express it enough. It's almost like people make fun of me for like how in love I actually am it just sounds… I just think people are just so cool with their approach to things, you know. And also I'm trying to avoid the jump up on the couch moment, but yeah it’s just, it's good.’

While one of his biggest hits is Gold Digger, Kanye, 36, added that one of the reasons he is so happy with Kim is because he knows the multi-millionaire reality TV star doesn’t need his money.

He said: ‘I mean, it's incredible to have a woman like that, that you know is not using you for money. I just have to word it like that because once you become like a multi-millionaire there's a certain type of women out there that they go for that and they'll put on the whole act and everything.

'But to have someone that’s, you know, has their own s**t its um, it's…and her personality is so calming. And I don't know if that’s the way people would describe my personality so…’

                                     

Kanye, whose mother Donda died in 2007, also credited Kim for helping him through the toughest moments of his life. He explained: ‘She's an important person that when I was at my lowest moments I could get on the phone with her.She would make me feel like, you know, I was here for a reason and I was, you know, I had something to say and just support me throught that.