January Jones wows in an extreme plunge red jumpsuit and a 70's hairdo in LA on Thursday

January Jones, 44, sent temperatures soaring at the LaQuan Smith event ahead of the Oscars on Thursday as she showcased her slim physique in a extreme plunge red jumpsuit

January Jones wows in an extreme plunge red jumpsuit and a 70's

January Jones wows in an extreme plunge red jumpsuit and a 70's

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Image of January Jones: January Jones (wearing a Versace dress) at

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January Jones wows in an extreme plunge red jumpsuit and a 70's hairdo in LA on Thursday