Actress Mackenzie Phillips spent a night behind bars on Wednesday after initially snubbing sister Bijou's efforts to post bail.Phillips was arrested after she was caught in possession of cocaine and heroin at LAX airport on Wednesday. She was taken into custody at Van Nuys jail.Her sister Bijou and boyfriend Danny Masterson attempted to bail her out, so Mackenzie wouldn't have to spend the night in a cell, but the actress insisted on staying behind bars, according to TMZ.com.Bijou returned to the jail on Thursday to post her sister's $10,000 - and Phillips was released.
