Mischa Barton "Well Behaved" Taking In NYC Rock Show

Actress Mischa Barton Sunday was well behaved while taking in an acoustic Peter Bjorn set at New York City's Cooper Square Hotel, a source told RadarOnline.com Monday.

The actress -- fresh off a stint at LA's Cedar-Sinai Hospital where she involuntary hospitalized for undisclosed reasons -- stayed in the VIP section, drinking Arizona Vapor Water and smoking cigarettes with model cronies Daisy Lowe and Karolina Kurkova.

NEW PICS: Mischa Barton Beaming in NYC

Her new show, The Beautiful Life, is slated to premiere September 16 at 9/8c on the CW.

It's currently in production in New York.

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• TAGS
• Britney Spears
• Corbin Bleu
• Elle Macpherson
• Mischa Barton
• The Beautiful Life