Mikaela Shiffrin has a smile as wide as the gap between her and her rivals, following the second of her two back-to-back slalom wins in Aspen.Doug Pensinger/Getty Images
Victory by a three-second margin on Saturday -- the largest in this discipline's World Cup history -- spurred Shiffrin to wonder whether her rivals were joking.Doug Pensinger/Getty Images
Second behind Shiffrin on Saturday was Veronika Velez Zuzulova (lett) of Slovakia. Frida Hansdotter (right) of Sweden was third.Doug Pensinger/Getty Images
Shiffrin went on to a second, equally dominant victory on Sunday -- in front of her home fans in Colorado -- despite a small mistake.Doug Pensinger/Getty Images
Lindsey Vonn, one of skiing's megastars, will go up against Shiffrin for the overall World Cup title this season.Doug Pensinger/Getty Images
Vonn and Shiffrin both crashed out of Friday's giant slalom. Vonn wiped out in her first run...Doug Pensinger/Getty Images
... While Shiffrin skied out with just three gates remaining in her second run.Doug Pensinger/Getty Images