She then was on The Oprah Winfrey Show in 2004 and helped American people with their clothes and appearance . She then presented Trinny & Susannah Undress on ITV in 2006 and Trinny & Susannah Undress The Nation in 2007 . After co-hosting What Not to Wear for five series and appearing on The Oprah Winfrey Show as style and make-over advisors , Woodall and Constantine moved to ITV to host Trinny & Susannah Undress ... in 2006 , and Undress the Nation .