Derek Hough and girlfriend Hayley Erbert gave “Dancing With The Stars” viewers a spooky treat on Monday.

The couple took to the “DWTS” stage for a special “Horror Night” performance.

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With backup dancers that looked like mummies, Hough and Erbert showed what they were made of.

Hough was a pro on the hit competition show from 2007 to 2016. He then returned in 2020 as a judge. Erbert was a pro dancer from 2016 to 2018.

Erbert and Hough have been together since 2015.

READ MORE: Derek Hough Says He Was ‘Faking It’ In Early Seasons Of ‘Dancing With The Stars’

Other notable performances from “DWTS”‘ Halloween special included JoJo Siwa as Pennywise and the Miz with a “Hellraiser” performance.