If you didn't realize, we've been obsessed Ryan Gosling's style lately ... fit down (the lightly faded denim, white undershirt, leather belt), that iconic red jacket had, until now, eluded ...

Eva Mendes is standing by Ryan Gosling ahead of his performance at ... a casual button-down top and a jean jacket while posing in front of a dressing room adorned with Gosling's name on it.