Robin Thicke isn't shy about hooking up with the ladies to make soulful, sexy duets.

Having already worked with Leighton Meester and Nicki Minaj, it was time for Thicke to recruit some vocals from across the pond. For his song "Rollacoasta," Thicke brought British chanteuse Estelle along for the ride.

The collaboration was a perfect fit, Thicke said, especially since he had Estelle in mind when he started working on the Sex Therapy song. Plus, the pair have a history, having performed

Check out @joannasimkin's Twitvid of Estelle perfoming at The Roots Jam Session!

Check out a Grammy Weekend interview with Estelle brought to you by the theQside!