Florals - just too girly and prissy, right?
The 31-year-old Brit beauty opted for an undone, achingly cool ensemble to watch The Pride play at Trafalgar studios on Monday evening - one which we'd happily replicate, flowers and all.
Hayley donned inky black skinnies with embellished heels and topped off the ensemble with a Ted Baker sweater that looked as if it had had a vase of garden flowers tipped over it. This, ladies, is a lesson in how to do the floral thing without looking like you've wandered out of a toddlers' tea party. Nice work.
Taking the rose theme that little bit further, Hayley accessoried with our favourite old-school chocs, a box of Roses. An interval treat? A present for the cast? Or perhaps the latest trend in star fashion? Whatever the reason, we're enjoying the vibe.
If, like Hayley, you like to wear a stonking pair of heels with your skinny jeans, click on for some retail inspiration.