Plus, her 1999 Rolling Stone cover.

Advertisement

Hands-down, Hailey Bieber won the award for best costume this Halloween. In honor of the spooky holiday, the model dressed up as everyone's favorite pop star, Britney Spears, and paid homage to the many iconic outfits she's worn throughout her career.

On Saturday, Hailey took to Instagram to demonstrate her commitment to the celebration, showcasing not just one, but four different Britney looks. "Happy Halloweekend 👻 the first concert I ever went to was the queen @britneyspears and I've been shook ever since 💞💞🎃🎃🎃🎃🎃🎃🎃🎃," she captioned a gallery of images of her impressive costumes. In the first few slides, Hailey channeled Britney from the "Baby One More Time" era, wearing a school girl outfit comprised of a cropped white button-down, a gray cardigan, and a pleated miniskirt, while her hair was styled in braided pigtails with pink pompom scrunchies.

For her next look, Hailey put on a red latex catsuit almost identical to the one Britney wore in her "Oops, I Did It Again" music video. She followed that up with a recreation of Spears's 1999 Rolling Stone cover shoot — purple Teletubbie and all. And finally, she reached peak Y2K fashion with her thong-over-pants look and dangly belly button ring while remaking the princess of pop's "I'm a Slave 4 U" visuals.

Bieber's famous friends and fans praised her spot-on costumes in the comments section of the post. "She said ALL the looks!!!" Vanessa Hudgens wrote, while Kylie Jenner reacted with a slew of heart-eye emojis. Elsa Hosk added, "Yessss Killed!!!" Everyone can agree, Hailey understood the assignment.