As Michael Strahan‘s daughter Isabella Strahan undergoes treatment for brain cancer, her twin sister Sophia Strahan is rallying behind her.
The 19-year-old shared a heartfelt message of support for her sibling Jan. 11, hours after she revealed her diagnosis on Good Morning America, of which their dad serves as a cohost.
“I’m so lucky to have essentially the most amazing sister and best friend on this planet,” Sophia wrote on Instagram. “The previous couple of months have been a lot harder than we could have ever imagined, nevertheless it’s made me realize just how strong you might be. You encourage me and I’m so happy with you. Us without end.”
In her touching post, Sophia included several pics of herself and her twin, including one showing the 2 posing for a selfie, while Isabella lies on a hospital bed wearing a surgical cap and gown.
As for Isabella, she shared her gratitude for her sister’s post, writing, “Best sister,” alongside a red heart emoji.
On Good Morning America, Isabella shared that she was diagnosed with medulloblastoma, a malignant brain tumor present in children.