Olympic gymnast Nastia Liukin has been watching her hair grow with a self-care shower that even earned her some top-up income. The 31-year-old five-time Olympic medalist has been making beauty headlines since retiring aged just 22, with the Volition partner both retailing her own skincare products and continuing to influence for other ones. A recent snap shared with Nastia's 1 million Instagram followers showed her in promo mode for Bondi Boost hair products, and it looks like there are major gains to be had with it. Check it out below.