Christina Hendricks looked radiant in a blue and white floral gown designed by her friend, Christian Siriano, for her rehearsal dinner in New Orleans. The dress featured an off-the-shoulder neckline, puffed sleeves, a nipped-in waist, and a mermaid skirt with a floor-sweeping train. Hendricks wore her hair in a chic updo with curled pieces framing her face and a bold red lip.