and Cee Lo Green
will not be involved in the fourth cycle of "The Voice
," NBC announced today. The two coaches will be replaced by R&B artist Usher
and Grammy-winning songstress Shakira
when the show returns for a fourth season in the spring.Aguilera is taking time off from the talent competition to release a new album and embark on tour, while Green is said to be developing new music and a scripted comedy based on his ...