Kate Hudson had summer in her sights with a flirty bikini photo she shared on Instagram - and her mum Goldie Hawn was twinning!The Fabletics Founder, 42, struck a fierce pose in a striped and crocheted two-piece as she sailed the seas on a luxury getaway gone by. MORE: Kate Hudson's baby bump photo delights fans – but it's not what you thinkBut it wasn’t just Kate’s look in the throwback photo which got fans talking, it was Goldie’s too. WATCH: Kate Hudson supported by entire family at Golden