Best Line: “She my motivation, I'm her transportation/'Cause I let her ride, while I drive her crazy”
Producer: Jim Jonsin, Rico Love
Album: Here I Am
Label: Universal Motown

R&B? Yep, Weezy does that, too. With the assistance a simple 16, Wayne helped shake Kelly's image as Beyoncé's red-headed stepchild, giving her a bigger hit than Bey produced all year.

Weezy's verse was chock full of sexual innuendo, comparing Kelly's sugar walls to everything from rain forests to Sweet'N Lo—and capping things off with a dirty automobile comparison. Wayne has the formula down, and makes it seem oh-so-easy with this tailor-made verse for the erotic song of the year. Ear muffs?