Congratulations are in order for Dame Joan Collins as her son Alexander 'Sacha' Newley got married over the weekend – and what a chic mother-of-the-groom she was! The Dynasty actress, 92, was seen arriving at the incredible lakeside castle venue in Salzburg wearing an impeccable caped outfit. © Instagram Joan looked so glamorous in her powder blue look"What a gift to stand side-by-side, surrounded by our beloved friends and family, as we step into this new chapter together," the bride penned on Instagram afterwards. Joan Collins' weddingsJoan herself has been married five times. Their marriage was over within two years, and Joan married her current husband, Percy Gibson, in 2002 at Claridge's Hotel in London.