she did nothing to keep her diamond engagement/wedding ring out of the paparazzi's line of vision. Goth was spotted solo, wearing an oversized yellow T-shirt, loose black leggings and white slides.

And it looks as though Shia LaBeouf and model girlfriend Mia Goth could be more than just a passing fling. On Monday, the 21-year-old was seen flashing a huge diamond ring on her engagement finger ...