This Is Us fans have a spook-tacular episode coming their way this Tuesday, October 31. Mandy Moore, who plays the matriarch of the Pearson clan and everyone’s fave strong female lead on the show, teased a photo for the special upcoming Halloween episode via her Instagram.

“We may look pensive in this shot,” Moore says of herself and costar Milo Ventimiglia, “but I assure you, we had a blast making this episode.”  The pair look somber yet adorable in their coordinating magenta ’60s garb. Moore is channeling Cher’s extra long, sleek hair extensions and a smokey eyeshadow look, which may or may not have been part of the original makeup plan.

“I had a black eye and just incorporated the purple bruise into my eyeshadow as Cher,” the 33-year-old explained in her caption. While she doesn’t mention the cause of the bruise, we’re glad to see that it’s faint enough to conceal.

Meanwhile, Ventimiglia is the spitting image of Cher’s longtime partner Sonny Bono in this pic. Can we just say, dressing up as the legendary Hollywood couple is such a Jack and Rebecca move. While Ventimiglia’s retro hair is most likely thanks to a really good wig, we’re speculating that the lush, cascading mustache is all natural.

Are you dressing up with your S/O this year? Tweet us your pics @BritandCo

(Photos via Martin Mills/Getty Archive, NBC/Getty)