This week, Rihanna has refreshed my idea of pink nails: they. Are. Fabulous. I don’t know about you, but my extensions are going back on and long and my pinks are gonna be bright (I definitely won’t be able to type, sorry). So, from RiRi’s manicure of wonderment to, yes, a tiny Mickey Mouse in love (sorry – a slight nod to Valentine's Day), here are five looks that convinced me pink has suddenly got good again.