WATCH: J.Lo's 'Sleek' New Commercial

Jennifer Lopez is sexy and sleek in a new commercial for L'Oreal's EverSleek smoothing system, a new hair line from L'Oreal Paris designed to tame your tresses. 

Showing off her toned body and long voluminous locks, the 41-year-old pop star (and new American Idol judge) doesn't look a day over 30.

Lopez, who was recently named the global ambassador for L'Oreal Paris, probably cost L'Oreal a pretty penny, but as L'Oreal commercials always say, she's 'worth it.'  Check out the hot commercial below.