The dancer took to Instagram to share her feelings, but also support her partner Logan Hernandez.
"I'm devastated about my injury - but more so for my partner Logan than myself. I was so sad to not be able to dance with him last night, but he made me so proud by performing absolutely beautifully," she wrote.
"I will continue to mentor Logan in such a way so that the audience can see all the positive, beautiful qualities I see in him - and I am working hard with my doctors to get back to the stage as soon as I am medically cleared. Thanks for all your continued support and love."
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Holker was replaced by a "SYTYCD" substitute Audrey Case. The duo did a contemporary piece to Tyce Diorio's "Protocol."
The judges panel gave them huge props for learning a whole new routine, while building chemistry together in such a short period of time.