For nearly half her life, 13-year-old Delaney Clements battled neuroblastoma, even after the cancer spread to her brain. The Grand Rapids, Colorado, teen gained fame when she met Taylor Swift as an early Christmas wish. On Monday, her family shared the news that she passed away.

Clement’s Dec. 19 encounter with Swift came about thanks to a social media campaign, #DelaneyMeetTaylor.

Merry Christmas Baby @delaneyy.bugg ☃

A photo posted by Taylor Swift (@taylorswift) on

The girl was in hospice care, as they had run out of treatment options, Fox31 reported. In a post on Facebook, her mother, Wendy Campbell, said her daughter’s pain was well managed in the end.

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“As the days go by please know we love and are grateful for each and every one of you,” Campbell wrote on Friday. “Thank you for spreading awareness and keeping Delaney's spirit alive."