Washington, Apr 24 : `The Kills' star Alison Mosshart has had to cut short a gig in Colorado after she was taken ill with altitude sickness.

Mosshart, 30, who was working on her side project `The Dead Weather' with rocker Jack White, had to scrap a gig at the Fox Theatre in Boulder, Colorado on April 22 halfway through after she was left short of breath, reports Contactmusic.