What's the reason behind Kristen Stewart's, 22, smile?
The usually glum actress caused a minor stir at the recent Spring/Summer 2013 Balenciaga show at Paris Fashion Week where she looked happy, reported Us Weekly.
A reconciliation with her ex-boyfriend and Twilight co-star Robert Pattinson after her momentary indiscretion with Snow White And The Huntsman director Rupert Sanders in July could be the source of her joy.
A source told Us Weekly: "They are living together and have reconciled."
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