"Sky's the Limit" is the third and final single from The Notorious B.I.G.'s second album Life After Death. It features vocals from the R&B group 112 and production from Clark Kent. It contains a sample from the songs "My Flame" by Bobby Caldwell and "Keep On" by D. Train. In the US, it was released as a triple A-side along with "Going Back to Cali" and "Kick In the Door". The track was certified Gold by the RIAA. Spike Jonze directed the song's music video.
The music video was released in December 1997. It shows children dressed up as and imitating The Notorious B.I.G., Puff Daddy, Busta Rhymes, Faith Evans, the rest of the Bad Boy crew, and other celebrities.