05/20/2009 at 04:00 PM EDT
Natalie Cole has a new lease on life.
The Grammy winner underwent kidney transplant surgery in L.A. on Tuesday and is now "resting comfortably," according to her rep.
Cole, 59, has struggled with kidney problems while undergoing treatment for hepatitis C
, which she was diagnosed with a year ago.
"The kidney came from a deceased organ donor through the regional organ procurement agency, One Legacy," her rep said in a statement. In February, Cole was hopeful that her son Robert might be a possible donor match
Cole, who has undergone kidney dialysis three times a week since September, is expected to spend the next three to four months recuperating. She plans to reschedule her summer tour dates in support of her album Still Unforgettable