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Irina Shayk sparks Bradley Cooper engagement rumors with new ring

Irina Shayk, bride-to-be?

The 30-year-old Russian supermodel, who is expecting her first child with Bradley Cooper, was spotted out and about in Los Angeles on Wednesday with a ring on that finger, sparking rumors that she and her longtime boyfriend may be engaged.

Shayk wore a long-sleeved, loose-fitting black mini dress with thigh-high suede boots for the outing, but it was hard not to the notice the massive sparkler on her left hand.

The jewelry features a giant oval emerald, encircled with gorgeous diamonds -- you can see the ring here

“Irina took an Uber at 11 a.m. to a wax center, then she headed to a nail salon and a hair salon after that,” an eyewitness told ET. “She had a relaxing day of pampering herself. She was out all afternoon, smiling and in a great mood.”

ET has reached out to Cooper and Shayk’s reps for comment.

Last month, Shayk debuted her adorable baby bump while walking the runway at the Victoria’s Secret Fashion Show in Paris, France. While it was semi-concealed by a fringe cape and long trench coat as she modeled the lingerie, she had no problem putting her burgeoning belly on full display at the show’s official after-party at Le Grand Palais.

To hear more (and see the pics!), watch the video below.