The boyfriend shirt is inherently easy, sexy, chic--and flattering to every body type, from petite (as demonstrated above by a five-foot Olsen twin) to tall. I think they look most flattering when they're unbuttoned to bra-level, with the sleeves rolled up, but I also like them layered like a light-weight cardigan over tanks or tees and, during the summer, over a bikini. A few crisp, tailored ones to consider: a classic-meets-colorblock , a perfect chambray , a contrast-collared , and a navy pinstriped version from .

Photo: Rex Features