Dress: Bridal 2016 Collection Gown by Christian Siriano (Thanks F and Karishma!)
Chanel Oberlin (played by Emma Roberts) on Scream Queens on Fox was spotted wearing this high-low wedding dress on Scream Queens on episode 'Handidates' (2x03) in Oct 2016. Chanel's dress is the Bridal 2016 Collection Gown by Christian Siriano.