'Selling Sunset' Star Amanza Smith Hot Shots to Kick Off Her 49th Birthday

Knock, knock ... who’s there? Just "Selling Sunset" star Amanza Smith -- serving full birthday energy today ... and we’re all here ready to close the deal on her big day!

Amanza’s turning 49 -- and you know she’s feeling fine -- showing off those bright, colorful fits that spotlight every inch of that bangin’ bod, which you can check out in this gallery.

Whether she’s closing a listing or posing on the beach, this birthday babe crushes it every single time!