Good Morning America weather anchor Ginger Zee managed to samba and jive her way into the Dancing With the Stars finals, but now it seems an injury may have put her on ice.

Zee, along with model Nyle DiMarco and UFC fighter Paige VanZant, was set to compete anew tonight (May 23). Now it seems that back pain had sidelined Zee during her rehearsals for the upcoming dance-off, and Entertainment Tonight reports that DWTS dancer Jenna Johnson has been standing in for Zee during camera blocking. Whether Ginger's still able to dance in Season 22's final two shows is currently unclear.

"My pelvis is very loose and unstable...because I just had a baby," Zee, who gave birth to her first child on December, told ABC News on May 22. She added that her physical therapist said her pelvis was "just moving all over" and was nearly "an [inch] off" from proper positioning. Yikes.

Assuming Zee's rest and her work with the DWTS physical therapist have her fully cha-cha ready by tonight at 8/7c, tune in to see her try for the mirror ball trophy with partner Val Chmerkovskiy. Watch her prep for tonight's show in the PEOPLE video below.

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