On Monday evening, the 25-year-old swapped her glamorous Met Gala gown in favour of an edgier ensemble for an exclusive, star-studded after party at Zero Bond in New York City.
The model flaunted her toned legs in a pair of black leather hot pants which she paired with a chain bralette, an oversized black blazer, strappy red heel, black shades, and a sleek bun.
On Wednesday, Bieber took to Instagram to share a set of photos, putting the bold look on display for her more than 43 million followers. She captioned the two photos with credit to the photographer, Tyrell Hampton.
Bieber's post was met with praise for her bold, fashion-forward choice.
"Whoa," one Instagram user commented with three flame emojis, while another added, "She never misses."
"Masterpiece," another fan wrote.
"Wow, Hailey. Wow," added another.
When initial paparazzi photos of the look surfaced on social media earlier this week, fans were quick to compliment the model for her daring ensemble.
Earlier on Monday night, Bieber hit the Met Gala red carpet in a stunning, white Saint Laurent halter-style silk gown, paired with a feathered coat, sheer black Wolford tights and Tiffany jewels.
Speaking with Vogue on the red carpet, the model said she was "happy" and "healthy" following a recent health scare.
In March, the Bieber was hospitalized after suffering a "mini-stroke" that alerted doctors to a congenital heart defect that required corrective surgery. Last month, Bieber shared details of the experience with fans in a candid YouTube video that has since garnered over 4.1 million views.
"Obviously it was a little bit hard to talk about just because it was a really scary experience, but I felt like if I could bring light to the situation […] ," Bieber told Vogue. "I just wanted to share my story and it actually felt freeing for me to be able to share it."