Lil Wayne has hit age 40. At a star-studded birthday celebration for one of the greatest in Hip-Hop history, Wayne loses his mind during a performance by Keith Sweat.

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At the party in Los Angeles, Keith Sweat grabs the mic and performs “Don’t Stop Your Love,” much to the delight of Weezy F. Baby.

Also at the birthday celebration was a special recorded message from Kanye West, NBA YoungBoy, an appearance from Skip Bayless, and more.