Former X Factor winner Burke will open the event on December 2, while The Risk will appear on December 4 at the Suzuki Fashion Theatre at Birmingham's NEC.
The fashion festival takes place from December 2-7, and will also feature the casts of The Only Way Is Essex and Hollyoaks.
Jeff Brazier, George Lamb and celebrity stylist Grace Woodward will appear at the festival to give guests fashion advice.
The Risk will reunite with several of this year's X Factor finalists for the show's tour next year.
Alexandra Burke recently revealed that she is dating Jamie Foxx protégé Marcus Anthony.