Mariah Carey and Jermaine Dupri

The unparalleled duo of Mariah Carey and Jermaine Dupri was back in the lab working on the follow-up to last year’s Memoirs of an Imperfect Angel at J.D.’s Southside Studios in Atlanta on Friday (April 9). “The song of the decade crew is back in the lab,” the “We Belong Together” producer told MzRockLanta.com. “This [is] the first day of the new shit.”

Mariah appeased her fans with the good news. “To all the Lambs in the land..Finally!!! Me& Jermash are in his studio reliving the splendor working on new ish,” she tweeted.