Addison Rae Hot Shots ... Happy 25th Birthday!

Addison Rae?! More like Addison SLAY! Today marks a BIG day for the sexy star -- it's her quarter of a century birthday, but we've got way more than just 25 hot shots to kick off the celebration ...

From low-riders to bikinis, there's no stoppin' this TikTok queen -- just keep on scrollin', you'll be an Addison fiend!

Her fame has skyrocketed since her dancing days on the 'Tok -- and appearing on "Keeping Up With The Kardashians" as Kourtney's bestie ... She's hittin' the stage singin' and dancin', and this backstage booty shot is the cherry on top of your magical day!

And, one more golden bum shot before you hit our gallery hard!