Amanda Bynes didn’t let her DUI arrest on Friday morning keep her from the bars over the weekend. Bynes was spotted at Los Angeles Irish pub Rock & Reilly’s for a birthday party for publicists Rembrandt Flores and Gary Mantoosh on Saturday night. Sources say Bynes wasn’t drinking and stayed very briefly before leaving to grab dinner. Bynes was arrested early Friday after leaving LA supper club Greystone Manor. She was released hours later on $5,000 bail.