She gave the camera a serious look as she struck her pose.
Along with the cover, the 27-year-old stunner begged Instagram not to remove the image — as the social media giant has a strict policy to avoid nude images that display nipples.
The 26-year-old went topless for this sunning session.
Totally wild: Earlier this month, Gabrielle slipped into her most risqué outfit yet.
In October, Gabrielle gave fans a little more than they bargained for as she posed in a very risqué bikini set.
She is known to throw caution to the wind when it comes to fashion.