Model Alexis Ren -- Bold In Gold Hot Shots On The Beach

All that glitters IS gold, and model Alexis Ren is living proof!

Check it out ... the Santa Monica, California native shared a series of sexy shots on her Instagram, and let's just say she came in HOT with a variety of risqué looks and 'fits, including a mini gold dress.

Alexis -- who was the 2018 rookie for the Sports Illustrated Swimsuit Issue -- slipped into a stringy bikini with her blonde beachy hair blowin' in the wind!

She also rocked a figure-hugging blue dress that hit in all the right places ... SLAY!