Amanda Seyfried Loves Working Out with Sweaty Boyfriend Justin Long!

Amanda Seyfried sports a “Hampton Tennis Club 1966″ sweater while talking a jog with her pet pooch Finn on Thursday (April 10) in Los Feliz, Calif.

The 28-year-old actress was joined by her boyfriend Justin Long, who showed off the puddle of sweat on his shirt.

PHOTOS: Check out the latest pics of Amanda Seyfried

The day before, Justin and Amanda were seen catching a movie together at ArcLight Cinemas in Hollywood.

In case you missed it, Amanda recently chatted about how she felt about a reunion for her 2004 hit movie Mean Girls.

10+ pictures inside of Amanda Seyfried and Justin Long stepping out for a workout…