Ruby Rose has some sweet ink, and she's not shy about showing it off.

The "Orange Is the New Black" star's tattoos were on full display as she rocked a small black bikini while on vacation in Formentera, an island off the coast of Spain.

The 29-year-old Australian actress has been hanging out with her super gorgeous friends on a boat in the middle of the ocean, because she knows how to have a fun vacation.

WATCH: BFFs? Justin Bieber and Ruby Rose Compare Arm Tattoos Over a Cozy Dinner

She also knows a thing or two about getting amazing tattoos. Her vast collection appears to include a unicorn on her leg and Sterling Archer, the super spy from FX's "Archer," on her stomach.


MORE: 17 Reasons Why "Orange Is the New Black" Star Ruby Rose Is Your New Girl Crush

Recently, Ruby Rose met Justin Bieber -- who she called "her brother" because her "OITNB" character is called Bieber -- and the two compared their ink. Check out the video for more on the star's wild tats.

Four4Four: Gisele's boob job shocker