Samantha Ronson spins the Blue And Cream Midsummer Night Party at the Georgica Restaurant & Lounge on July 15 in East Hampton, New York. (WireImage)

Lindsay Lohan’s ex-girlfriend, Samantha Ronson, was arrested Monday morning near Baker, Calif. for driving under the influence, according to US Weekly.

The 33-year-old DJ was driving her black Porsche Targa nearly 90 miles per hour when she was pulled over. She failed a field sobriety test, police said.

Ronson told police she drank early that morning at a party in Las Vegas. She was released from jail a few hours later.

Like this is a friggin surprise.

Lindsay Lohan has officially confirmed that she is dating Samantha Ronson‚ and has been for‚ ”a very long time.”

Lohan, 22‚ told the host of syndicated radio show “Loveline” that she’s been dating she 31-year-old DJ for years.

“You guys, you and Samantha, have been going out for how long now?” the co-host, DJ Ted Stryker asked. “Like two years, one year, five months, two months?”

“For a very long time,” Lohan said after laughing.