First it was the shoes that made grown women drool like babies. Sleek, skyscraper heels with an unmistakable red sole. Next it was the nail polish, in that same shade of deep rouge, with packaging that just screamed glamour and decadence. Now Christian Louboutin has expanded his beauty line by adding lipstick to the range. The collection has 36 shades, and is now available at Selfridges.     The soon to be iconic Louboutin Lipstick collection comes in three types: Silky Satin, Velvet Matte, and Sheer Voile. The Silky Satin collection has 20 colour varieties, with nine types in Velvet Matte and Sheer Voile respectively. Once again, the packaging is…