May 2017 Carole's second outing as mother of the bride, at Pippa's wedding to James Matthews in 2018, saw her pretty in pink in another Catherine Walker design. And while the pleats on her coat are a style departure, the collar with its stand-out single-breasted design is rather reminiscent of Kate's pick for Trooping the Colour in 2013. Image Source: Getty / Max Mumby/Indigo