For those wondering about her pre-party routine, the new mom (who welcomed son Jack in August 2024) kicked off her birthday with what she called a “bday burn” workout session with trainer Kirsty Godson, proving that even birthday girls don’t skip leg day. Which, of course, makes plenty of sense when you’re going pants optional!

Hailey Bieber rang in her 28th birthday in style. Last night, she took to Instagram to share a sneak peek at her birthday celebrations, which seemed to take on a martini theme. Her roundup of photos highlighted her cake—which leaned more into the theme with frosting that read,

Hailey Bieber has shared some photos of her birthday night out, where she stepped out in a revealing black suede coat with nothing underneath.

Hailey Bieber posted photos and videos from her martini-themed 28th birthday dinner on her Instagram Stories on Friday, Nov. 22.

Come fall and winter, a camel coat is a given. Swap out your classic pieces for oversized options, like The Frankie Shop’s Gaia coat or Wardrobe. NYC’s Hailey Bieber coat, which is obviously up-to-par with the star’s personal style. A minimalist loafer is the camel coat’s perfect match—discover styles from Burberry and Khaite.

Hailey Bieber toasted to her 28th birthday in style with a “28-tini” celebration that showcased her love for martinis.

Hailey Bieber turned 28-years-old and she celebrated with a group of friends and some delicious martinis, wearing no shirt under her leather coat.