Drew & Justin Work Up a Sweat

(Wireimage)

A little hit-and-run is not going to stop Drew Barrymore from working out!

The 33-year-old actress, who was rear-ended in L.A. on Monday, hit the gym with beau Justin Long at Equinox in West Hollywood just hours after her accident.

"She took an 'ab lab' at 7:15 then hit the treadmill while Justin was lifting weights," a fellow gym-goer tells OK! "She thought of something funny and ran over to tell him. They looked really cute and happy."

Not to mention in love, the eyewitness adds.

"They were sweaty and gross and still had their arms around each other. They didn't seem to mind at all. They looked like the happiest couple."

As of Tuesday, there has been no arrest made in Drew's accident.

By Jon Warech