Dakota Johnsonis stirring up fresh speculation about a possible fallout with her fiancé,Chris Martin. RadarOnline.comcan reveal the Fifty Shades of Grey actress was spotted without her $450,000 engagement ring at a star-studded event crawling with photographers. Johnson, 34, was a guest at the Kering Foundation’s Third Annual Caring for Women dinner in New York City this week alongside A-listers like Kim Kardashian, Katy Perry, Orlando Bloom and Priyanka Chopra Jonas. The actress posed for photos solo, wearing a glittering low-cut floor-length Gucci gown and a sizable gem on a finger of her ri…
