By Robyn Collins

(RADIO.COM) – When Taylor Swift planned her squad Halloween party, she had a very special outfit in mind.

The pop star wore Ryan Reynolds' Deadpool outfit. She showed it off on Instagram and thanked her friend for the costume.

"Thanks @vancityreynolds for this costume," the 26-year-old wrote. "You're the BEST deadpool inside contact ever."

Swift-friend, Blake Lively, responded by writing "#HusbandUpgrade" in the comments section. The Swift squad party also featured a Cub Scout (Gigi Hadid), a space cadet (Lily Donaldson), a granny with a lost cat holding a sign saying "Meredith is missing" (Camila Cabello), Other attendees showed up as Martha Brady, a black swan and a birthday girl dressed as a cat." Taylor captioned a picture of them all on social media.

In addition to celebrating Halloween, the squad celebrated their friend, Kennedy Raye's birthday.

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