Ryan Phillippe Has Casual Day Out with Amanda Seyfried on Reese Witherspoon's Wedding Day

Reese Witherspoon Wedding - Ryan Phillippe, Amanda Seyfried Go Jogging
Amanda Seyfried and Ryan Phillippe

03/28/2011 AT 03:30 PM EDT

Reese Witherspoon's wedding on Saturday was a beautiful, star-studded affair. But, her ex-husband, Ryan Phillippe, spent the day casually relaxing with new girlfriend Amanda Seyfried.

Phillippe, 36, and Seyfried, 26, whose romance is going strong, spent their weekend about 30 minutes away from Witherspoon's home in Ojai, Calif., where the actress wed agent Jim Toth.

On Saturday, Phillippe and Seyfried were seen taking their dogs for a jog at the famed San Ysidro Ranch in Montecito, Calif. The couple also dined at the Italian restaurant, Piati, and shopped in the gift section of the store Upstairs at Pierre LaFond.

Phillippe and Seyfried met last October while attending Kate Hudson's Halloween party and soon began a low-key romance.

"They're really into each other," a source told PEOPLE in January. "They're a really good match and just enjoying it all right now."

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