Kanye West shows his wife Kim Kardashian dressed up as Selena

Kanye West and Kim Kardashian marked their fourth wedding anniversary yesterday.

And Kanye West commemorated the special day by sharing a video of Kim from Halloween when she was dressed as the late singer Selena.

The 40-year-old rapper posted the brief clip of her as she danced around in a purple one-piece while holding a microphone.

He captioned the video with several fire emojis, adding: 'This is one of my favorite moments.' 

Kim sported the iconic purple jumpsuit look made famous by Selena for Halloween last year; the halter-style sequined look featured flared bottoms and a cut-out midsection.

Kim rocked red lipstick with matching nails; she sported a fringe with voluminous tresses to round out her Halloween costume.

Kanye also tweeted: 'Gratitude and happiness best describe what my wife means to me. I'm deeply grateful and purely happy.'

The lovebirds said their I do's on May 24, 2014 in a lavish destination wedding.