By Breaking Celebrity News Staff

Robin Roberts shared an emotional one-on-one chat with her sister/bone marrow donor Sally-Ann on Tuesday's edition of Good Morning America, and we've got the highlights for you right here on Breaking Celebrity News.

Robin has been battling the blood and bone marrow disorder MDS (Myelodysplastic Syndrome), leading to her September 20 transplant, which she says she looks as "as a clean slate.

"How many people can say at this point in their lives that they get a do-over, that they get a chance to start again?" Robin said. "And that's how I feel. We're all a little bit stronger -- a little bit stronger than we think we are. And that's all we need."

In the interview, Robin got weepy-eyed when her sister brought up their late mother Lucimarian, who died August 30 -- just before Robin was about to take a medical leave from GMA. She left the show early to spent her mother's final days by her side.

"I do believe it was her way of making sure that all of her children could be taken care of," ateary-eyed Robin said. "T