Neymar's GF -- The Topless Beach Romp

Here's proof Brazilian that superstar Neymar is winning at everything (besides the World Cup) ... his (reported) GF Serbian model Soraja Vucelic topless on the beach in Montenegro.

Soraja, who was Playmate of the year Serbia in 2011 (hey, it still counts) and Neymar have apparently gone public with there relationship recently posing for pictures together on social media.

In fact, Neymar is rumored to be so hooked on Soraja that he recently sent a private jet to scoop her up and deliver her to Barcelona before his team played in a huge soccer game against rival Real Madrid.

Judging by what we're seeing in these pictures, we can't say we blame the guy.

BONUS: Soraja bounciness on a segway below ... you're welcome.