Heather Locklear was arrested on suspicion of driving under the influence Saturday evening in Santa Barbara County, Calif.
"Around 4:30 p.m., a female witness saw Heather Locklear driving erratically while leaving a parking lot in Montecito," California Highway Patrol spokesman Tom Marshall tells PEOPLE. "The witness said Locklear was revving her engine loudly, and backed over a pair of sunglasses several times."
