Unlike the majority of Hollywood stars, the actress decided to shun the black dress code which has been encouraged by celebrities to show support for the Time’s Up movement.
The protest aims to raise awareness of sexual harassment and inequality for women in the workplace following the Harvey Weinstein allegations.
And Blanca made sure she stole the spotlight away from her famous peers as she seized the opportunity to shine in the bright revealing number.
The beauty – who suffered an embarrassing wardrobe malfunction at the Oscars last year – ditched her underwear in the ridiculously racy dress which was slashed to the navel.
As she went braless, the Californian native flaunted an eyeful of her ample cleavage as she beamed to awaiting photographers.
But whilst posing sideways on the red carpet, Blanca almost flashed her modesty as the dress featured an extreme thigh split.
The 36-year-old’s locks were styled in glamorous waves for the star-studded event and she accessorised with dazzling jewels.
Elsewhere, Barbara Meier also ditched the black memo as she commanded attention in a nude-coloured dress.
The German model and actress oozed confidence as she posed to the cameras in the extravagant layered frock which featured a plunging neckline.
This year’s Golden Globes awards will be hosted by Seth Meyers with the likes of Meryl Streep and Michelle Williams up for nomination.