By Debbie Emery - Breaking Celebrity News Reporter

The 13-year-old who has won the hearts of countless strangers with her inspirational make-up videos that earned her the title of honorary face of Cover Girl was back in the hospital on Thursday getting more life-saving treatments.

"Currently Talia has been hospitalized for 18 days and will be getting her stem cells re-implanted," her spokesperson exclusively told Breaking Celebrity News. "She is focusing on her health."

As Breaking Celebrity News previously reported, Talia Joy Castellano, who is battling both leukemia and a brain tumor, has attracted more than 14 million viewers to her video blog and the cosmetics giant recently launched their new campaign and released the first image of the beautiful, brave teen.

On Thursday, the Facebook page dedicated to her recovery revealed that the Florida native had also just received another platelet transfusion.

"That will make 5 platelet transfusions and 2 blood transfusions this month alone. Talia is literally alive because of blood donors like you! Talia and other people need blood more than ever now. Please donate blood and be sure to hold up a sign so that we can post your picture donating blood on this page," asked the positive post.

With possibly only four months to live, Castellano gets torrents of support from her 55,000 followers who send uplifting comments and photos telling her to "Get well soon" and "You are my hero."

The teen first became obsessed with make-up when after losing her hair six years ago from the intense treatments aiming to cure her stage four neuroblastoma cancer, she started experimenting with colorful cosmetics instead of wearing wigs.

Her fascination with enhancing her facial features instead of her baldness led to a YouTube channel that is an Internet sensation. Once a week, after enduring punishing bouts of chemotherapy, radiotherapy, stem cell transplants and blood transfusions, Talia teaches her followers a range of fun and creative make-up techniqu