"We sang Backstreet Boys I want it that way," West captioned the candid image when he posted it Wednesday on Twitter.
The photo features West holding a microphone with his eyes closed with Zuckerberg also using a microphone.
Fans on social media flooded the comments on West's image, asking the rapper to release video or audio of the performance. "Video or it didn't happen," Twitter user @Bleeeeechers said.
It remains unknown why West was meeting with Zuckerberg and how the duo ended up singing a Backstreet Boys song together.
We sang Backstreet Boys I want it that way pic.twitter.com/IzGHk7i7OP— ye (@kanyewest) November 15, 2018
West and his wife Kim Kardashain were recently forced to evacuate their home due to the raging wildfires that are affecting California.