Sienna Miller Locks Lips With Model Cara Delevingne

    Of course it happened at the star-studded Met Gala.

    Cara Delevingne turned heads with her stunning outfit at the Met Ball.

    But that wasn't enough for her and pal Sienna Miller.

    They were ready for a good time.

    And from the looks of this tweet and Instagram they had a VERY good time.

    Hopefully, Sienna's fiancé, Tom Sturridge, isn't too upset.

    Hmmmmmm.