Slideshow will continue in seconds. Click to skip
Screaming coral: the perfect complement to the tiger stripes Sky wore to Proenza Schouler's Fall 2012 show.
Sky went neutral in Cannes, pairing her black and white ensemble with a barely-there nude lip.
Bold bordeaux looked smashing against her ultra-light complexion and hair at the Givenchy Spring 2013 show.
At a 2012 gala in NYC, Sky went Old Hollywood with loose waves and deep red lips.
At Carine Roitfeld and MAC's Le Bal in Paris last year, she went for a bold pink hue that really popped.
The matte orange pout she painted on for the 2013 Fragrance Foundation Awards felt spot-on for summer.
At the Spring 2013 Saint Laurent show, it was all about a bold pomegranate-hued lip.
While sitting front row at Givenchy's menswear show last month, Sky's raspberry lips stole the show.
At the launch of the new Versus Versace, Sky chose a super-pale pink to offset her smoky eye.
You can never go wrong with a classic red, like the one Sky sported at Paris Fashion Week in March 2012.