Since her lupus diagnosis in 2014, Gomez has undergone chemotherapy and ducked out of the spotlight to focus on her health, along with having the transplant.
These battle scars are a constant reminder of their forever bond and of the fact that these two really are family now, which Francia touched upon when she shared her own message about her surgery on Instagram. In the post, Raisa is seen wearing only a sports bra and workout trousers, which reveals her midriff and her post-op scars.
"Happy to be back", she captioned the video of herself lifting weights on Thursday.
Gomez announced a week ago that she needed a kidney transplant to treat her lupu nephritis.
Aside from a birthday wish for her sister, the workout post was her first on social media since both she and Gomez shared a photo holding hands and lying in side-by-side hospital beds the day of the operation.
Raisa may be hitting the gym to prepare for her role in the Black-ish spinoff Grown-ish, in which she will play the character of Ana.
Bless her, Gomez has made a slight factual error here: the ultimate gift is, in fact, a boxed 1986 Sindy Ballerina, blonde, with moveable joints.
'I love you so much sis.
"I am beyond grateful that God would trust me with something that not only saved a life, but changed mine in the process", Raisa wrote at the time.
'This was part of our story, and we will share it soon, but what is important now is that this is not the only story.