Derek Hough Celebrates Sister Julianne at Kinrgy Fitness Studio Opening with Wife Hayley amid Her Health Crisis

Derek and Hayley skipped interviews at the event, but Julianne spoke to PEOPLE about the newest edition to her family, her puppy Sunny.

Erbert had an emergency craniectomy while the dancers were on tour in December 2023. She also underwent a follow-up surgery to repair her skull that same month.

Derek recently shared more details about his wife's health crisis, telling PEOPLE that his parents and all four of his siblings— Sharee, Marabeth, Katherine andJulianne — flew to Washington, D.C., to help the couple through those difficult weeks.

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"They were some of the first to show up in Washington and stay there and even live with us there,” Derek said of his family. He added that they had a "rotation" of sorts to help with care, and that Julianne stayed "two weeks."

“It was just amazing,” Derek said, adding that Erbert's family also helped out.

Derek is currently preparing to return to his Symphony of Dance tour on April 16 in Tampa, Florida,

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