The young Blues superfan was Saturday's game against the Toronto Maple Leafs with Kenton Felmlee, her bone-marrow transplant donor.
Anderson, the 11-year-old fan with hemophagocytic lymphohistiocytosis, won the hearts of hockey fans everywhere and became a huge part of the Blues run to the Stanley Cup last spring,
even getting a ring from the team
.
She had her transplant in January then finally met Felmlee, a pre-med student at the University of Kansas, on Thursday.
"Leading up to the donation, I was super nervous who the recipient would be," Felmlee told Fox St. Louis on Thursday. "Now that I know it's this amazing girl who has inspired all of St. Louis and inspired the world, I'm so excited to meet her and tell her how much she means to me."
Anderson and Felmlee appeared on the video board at Enterprise Center. She held a sign that said "Thank You, Kenton," and they shared a hug while the crowd cheered.
"It was so great to actually thank him in person," Anderson told Fox Sports Midwest. "I don't know how to put into words what he means to me."
