How do the Victoria Secret´s models become to angels during the Show

Tonight is having place the too much waited fashion show of Victoria Secret. The models look beautiful and shining. Here I put a video of Alesandra Ambrossio and Derek Blasberg speaking about what do the models do to aim those spectacular bodies and become to angels during the show. Between them a strick diet and a hard workout. Video Alesandra Ambrossio and Derek Blasberg