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Troubled starlet and out-of-work actress Mischa Barton has gone straight from The Beautiful Life to the wasted life, partying at a LES bar with Young Veins' front man Ryan Ross.

A spy tells the NY Daily News that the model slash actress was buying shots for her pals (including Ross) at Randolph on Wednesday night.

"She had a drink in hand all night," said the source, "and she and Ryan looked very friendly."

Unemployed actresses (let alone ex-rehabbers) should probably not get into the habit of buying their new rockstar boyfriend drinks!