The collaborative album has been delayed a number of times over the past two months
Mystery surrounds when the collaborative album will arrive
The controversial album was originally slated for release on December 15, having already been delayed twice
The rave was a celebration of their joint LP 'Vultures'
"Child, that train has left the station"
A host of guests including Chris Brown, Offset and West's daughter also made an appearance
The collaborative album's release has already been delayed twice
It comes just days after a "multi stadium listening event" for their joint project had reportedly been cancelled
Speculation about a collaborative album arose when West reportedly held an intimate listening party last month
Venue workers "hadn’t heard anything" from the rapper's team