Tobey Maguire and Tatiana DietemanThe romance of has lost its great power.

the Spider Man star and his model girlfriend called it quits months ago after about three years together, a source exclusively tells E! News. The couple had been romantically linked since the summer of 2018, according to media reports. “Tatiana has moved on,” the insider shares.

Tatiana confirmed her new romance with a surfer Koa Smith For Valentine’s Day. He shared photos of the duo kissing on the beach and having other adventures, writing on Instagram, “Happy Valentine’s Day to my bessss fwennnnnn!!! Love you baby!”

She responded on her Instagram Story to call her “my valentine.”

E! News contacted reps for Tobey and Tatiana and did not hear back.

In October, Tatiana enjoyed a trip to Yosemite with friends, and the ultimate surfer The star was seen with her arm around her in a photo she shared on Instagram.

Tobey, 46, and Tatiana, 29, have kept their romance largely out of the public eye, although they have occasionally been spotted together over the years. Just before the nation began quarantining amid the COVID-19 pandemic, they were pictured holding hands in Los Angeles after having lunch at vegan restaurant Crossroads Kitchen.