The 28-year-old singer, who attended the event last year in a plunging necklined gown, has been confirmed for the film extravaganza which will take place from May 16, reported Femalefirst.
Meanwhile, Cole is also rumoured to be a guest on Rihanna's new fashion show.
The 'What's My Name' singer will produce and appear in the unnamed show on Britain's Sky Living. The winner of which will create an outfit for her headline appearance at this summer's Wireless Festival in London.