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Joe Jonas looks boo-tiful as fiancée Sophie Turner's 'GoT' character for Halloween

USA TODAY

Joe Jonas, right, dressed like his partner's TV character for Halloween. Meanwhile, Sophie Turner went as an elephant for Kate Hudson's Halloween bash sponsored by Amazon.

Joe Jonas knows Halloween is coming. And, he knows exactly where to look for a costume idea.

The singer dressed up as fiancée Sophie Turner's "Game of Thrones" character, Sansa Stark, for Kate Hudson's annual Halloween extravaganza, presented by Amazon.

Jonas captioned a pair of pics shared to Instagram "Saturday Nite" making good use of the jack-o'-lantern emoji.

To pull off the look, Jonas donned a fiery wig and floor-length, teal gown with bell sleeves and embroidery. (Turner herself went as an elephant.)

More:Why was Sophie Turner crying with fiancé Joe Jonas in New York? Her period, she says

More:Priyanka Chopra, fiancé Nick Jonas go on double date with the Jonas 'fam' at the US Open

Any chance Jonas will bust out this costume when "GoT" returns next year? Only time will tell...

Can't get enough of celebrities in spook-tacular costumes? See more in the gallery below.