The Orange Is The New Black fan favourite wore a plunging black suit showing off just the right amount of flesh as she made her way into the awards ceremony at the Mediolanum Forum.
The eye-catching design was just one of many that Ruby rocked through the star-studded evening she is co-hosting with Ed Sheeran.
Ruby also found time to slip into a strapless ball gown covered in lips, as well as an all leather outfit too.
Her most unusual number was spaghetti-inspired dress, worn to celebrate World Pasta day.
Ellie Goulding, the headline act at the recent AFL Grand Final in Melbourne, also had her cleavage front-and-centre for the red carpet.
The 28-year-old wore a hip-hugging black dress with a daring plunging neckline and thigh-high split.
She also showed off a new hair colour, adding a much more yellow tint to her usual platinum ‘do’.
Justin Bieber caused the biggest stir, as only he can, by high-fiving fans as he strutted down the carpet wearing a dazzling red suit.
American girl band Fifth Harmony weren’t to be out-done, however, as they sang and danced into the auditorium performing their hit Worth It
Check out our picks for best, and wackiest, outfits in our special MTV gallery.
For more of our stories on Ruby Rose, click here!
This post was last modified on 26/10/2015 5:01 pm