Tammy Hembrow’s one of the OG Aussie influencers … and to celebrate her birthday, we’re flexin’ just how hard she’s still shaping the game with her sizzling snaps.

After all -- how could we not celebrate Tammy's 31st when she’s out here rockin’ bikinis like a boss, showcasing every inch of that gym-honed grind?

As you can see, Tammy's wardrobe motto seems to be "less is more" -- and we ain’t mad at it 'cause she's out there slaying 2-pieces like it's a full-time job.

It’s either the gym or the beach for Tammy -- and she’s clearly mastered both. From perfecting her angles to topping up her tan, the girl’s got her brand on lock.

Tammy’s always blessing the 'gram with those smokin' hot shots -- so here’s hoping the birthday queen gets just as spoiled as we’ve been by her feed!