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Samantha Ronson put on a brave, and somewhat gloomy face, while picking up her black Porsche from police impound in Baker following her DUI arrest early Monday morning.

The DJ's girlfriend Erin Foster was kind enough to give SamRo a ride to Baker in her white Mini Cooper.

Our photographer tells us:

    "Sam seemed so embarrassed to be seen picking up her car from the tow yard. You can tell she hasn't had much sleep since the incident yesterday. The two girls were in a really bad mood. They made sure Sam's Porsche was in good condition and then followed each other in separate cars."

Ronson, 33, was pulled over by the California Highway Patrol at 10:30am Monday for speeding in her black Porsche and failed a sobriety test. She refused to take a breathalyzer and was transferred to the Barstow station where she blew over the legal limit. The DJ gave a smirk for her mugshot.

See more of Sam looking no-so-camera ready ... after the jump.