 Lewis' vocal production work with Aguilera helped to earn a Grammy nomination in 2006 for Herbie Hancock's album "Possibilities" (Best Pop Collaboration with Vocals, for "A Song for You") and Lewis was a vocal producer for Aguilera's hit "Ain't No Other Man", which won a 2007 Grammy Award for "Best Pop Performance".In 2012, Lewis received vocal production and co-writing credits on her album "Lotus" (Sing For Me), and he remains her pianist, arranger, and musical director for all of her live performances today.Additionally, he arranged Aguilera’s 2015 NBA All-Star game New York-inspired opening performance.