OPI Serena Williams' Glam Slam Spark de Triomphe Duo is the brand new set of polishes, launched by tennis superstar Serena for 2011. Serena has long been a huge fan of OPI products, and has now teamed up with the nailcare giants to launch limited edition nail duo's to coincide with each major tennis tournament. Introducing Spark de Triomphe Duo, a collection of two stunning polishes that work well together to give you a dynamic, on trend finish. Containing the stunning glistening silver shade Spark de Triomphe and the innovative White Shatter top coat, these polishes are sure to get you noticed. You can also use the White Shatter over any OPI polish of your choice, giving you a wider scope of creation than ever before!