'Project Runway': In tonight's big episode, 'one designer will walk away.' We'll have the first interview.

If you’ve seen the ads for tonight’s episode of Project Runway (embedded below), then you know that sumthin’ big goes down. Someone leaves and another person returns. WHO. COULD. THEY. BE?

It just so happens that EW got the scoop on the designer who decides to “walk away” tonight. So check back here at 10:30 p.m. EST for our exclusive interview with the person who made it all the way to the top six, only to decide enough was enough.