Trinny & Susannah Undress... is a British reality makeover and fashion-themed television programme on ITV featuring fashion advisors Trinny Woodall and Susannah Constantine.

The series sees Trinny Woodall and Susannah Constantine going to different households where couples experience difficulties in their relationship, and explore how clothing and style impacts marriage and relationships. Woodall and Constantine give advice and improve the appearance and style of the couples in an effort to rekindle the marriages and relationships that have become troubled.