The 'Home' singer's little boy is set to undergo treatment for liver cancer.
Watch: Jay Z Shares His And Beyonce's Wedding Video
Watch him put the ring on Bey's finger.
Jay Z has shared the short clip from his wedding day to Beyoncé.
In the background you can hear the popstar belt out a rendition of 80s song 'Forever Young' by German band Alphaville, with J rapping on top in his unique style.
The couple married on 4 April 2008 in a private ceremony.
The star headed straight from the jungle to panto...but clearly hadn't had time to learn her lines!