Robin Roberts has been inundated with messages of support for both her and her partner Amber Laign, following the news of Amber's breast cancer.MORE: Robin Roberts reveals partner Amber's heartbreaking cancer diagnosisThe Good Morning America star told viewers of the ABC morning show on Thursday that she would be off from time to time as she supports her long-term partner, who has been battling cancer for the past year.Since making the news public, Robin revealed that Amber was starting her chemotherapy on Friday, and has since shared a new message for her other half.VIDEO: GMA's Robin Roberts gives a tour inside her Connecticut home where she lives with partner AmberTaking to the couple's popular Instagram account dedicated to their beloved rescue dog, Lukas, Robin shared a photo of their pet pooch standing upright on the sofa with a stuffed toy in his mouth.MORE: Robin Roberts to take a backseat from GMA following partner Amber's cancer newsMORE: Robin Roberts makes fans emotional with remarkable revelation about time with GMA"Love you mommy... you've got this," the caption read, alongside a love heart emoji.Fans were quick to comment on the post, with one writing: "Sending prayers for your mom, she's got this!" while another wrote: "We are praying for your Amber." A third added: "Oh my goodness.