updated 01/18/2011 AT 9:35 AM ET
•originally published 01/18/2011 AT 8:45 AM ET
Just what the doctor ordered.
Melissa Etheridge, who split bitterly with wife Tammy Etheridge a year ago, is now dating Nurse Jackie creator Linda Wallem.
“Melissa and Linda have been best friends for over 10 years,” a pal tells PEOPLE, adding that Wallem served as Etheridge’s “best man” at her 2003 wedding to Tammy. “They got together three months after Melissa and Tammy broke up.”