What was the second rap song to hit number one on the billboard chart?

The second rap song to hit number one on the Billboard Hot 100 chart was "Ice Ice Baby" by Vanilla Ice. It achieved this milestone in 1990, following the first rap song to reach number one, "Rapper's Delight" by The Sugarhill Gang, which topped the chart in 1979. "Ice Ice Baby" is notable for its catchy hook and sampling of Queen and David Bowie's "Under Pressure."