O'Donnell recently said "I do" for the second time when she married partner Michelle Rounds in June.
If the is to be believed, Rosie is pretty miffed at the fact that her kids are getting so close with their new stepmom.
PHOTOS: Stunning A-list engagement rings O' Donnell won't be attending her ex's nuptials, although Carpenter says she and the comedienne, who split in 2007 after three years of marriage and almost ten years together, are currently on "good terms." Their four children (Parker, 17, Chelsea, 15, Blake, 12, and Vivienne, 10) will, however, be present, and are set to take part in the Rockland County, NY ceremony.
(The women plan on honeymooning in Mykonos, Greece post-wedding.) PHOTOS: Out and proud celebs O' Donnell herself secretly wed girlfriend Michelle Rounds in June, after Rounds was diagnosed with desmoid tumors, an extremely rare, cancer-like disease.
Rosie O’Donnell has a new baby at home with her wife, Michelle Rounds, a daughter named Dakota they adopted in January.
Rosie and Michelle were married in June of last year and soon faced a number of health setbacks.