She put on her standard high-energy Enigma concert featuring her most popular hits earlier in the night.
Afterward, Lady Gaga was ready to celebrate Halloween and party the night away while dressed as a fantastical unicorn at a Las Vegas club.
The 33-year-old's celebrating came shortly before it was reported that she'll be appearing in Ridley Scott's new film about the murderous wife of an heir to the Gucci fortune.
Having a blast: Lady Gaga, 33, partied after her Vegas residency concert on Thursday night in a skimpy unicorn costume featuring fishnet stockings, a silver horn and long candy-colored hair
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Gaga's outfit was fairly minimal and featured a lacy white leotard and fishnet stocks covering her fit legs and arms.
Like her horse-like inspiration, she sported a set of hooves, though hers were covered in hot pink sequins and had tufts of white faux fur over her wrists.
The 5ft1in entertainer wore a silver horn over her head and a cotton candy–colored wig that flowed in tangled waves down to her thighs.
She completed the costume with her heavily made-up face, which included a splash of scarlet on her lips and cartoonish, anime-style eye makeup.
Though she opted for a wig for Halloween, Gaga has been rocking her own bright pink locks since early October.
Strange display: Gaga danced around while sucking on a large bottle, as if she were a captive unicorn being fed
Pretty in pink: Though she wore a massive wig for her look, her regularly hair might have worked nearly as well. The Star Is Born lead has sported bright pink tresses since early October
Throwback: Her 2017 costume was a tribute to Edward Scissorhands. She matched Johnny Depp's palor from the classic film, along with his black leather suit and his long knife fingers
Gaga (real name: Stefani Germanotta) was living it up with drag queen and DJ Jodie Harsh, who also caught video of Gaga dancing while drinking what looked like a baby's bottle.
Though she wore a massive wig for her look, her regularly hair might have worked nearly as well. The Star Is Born lead has sported bright pink tresses since