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,

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!

But, instead of donning a cute Y2K top underneath, Hailey decided to ditch any kind of clothing whatsoever. Rather, she wore the coat buttoned up and tied with a black leather cord at the belly button, which revealed a plunging neckline and a demure peak of cleavage.

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

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

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