Finding Fergie on billboard.com...?

I read somewhere that fergie had 5 top five hits on the billboard hot 100 (london bridge, big girls don't cry, clumsy, glamorous, and fergalicious) and i tried looking for all of them so that i could see how high each of them peaked, i found all of them except fergalicious, i tried every way i could think of to try to find it but i could not, does anyone know why this is happenning and where i could find how high it peaked? or does someone just know and can tell me? please