histrionic personality disorder is under cluster b (the dramatic unpredictable cluster)
diagnostic criteria
.becomes uncomfortable in situations in which they are not the center of attention
.interaction with others is often characterized by inappropriate sexually seductive or provocative behavior
.rapidly shifting and shallow expression of emotions
.uses physical appearance to draw attention to self
.has a style of speech that is excessively impressionistic and lacking in detail
.demonstrates self dramatization, theatricality, and exaggerated expression of emotion
.easily influenced by ones circumstances or those around them
.considers relationships to be more intimate or close than they actually are
subtypes
inhibited, vivacious, appeasing, theatrical, flirtatious, infantile