1‘she's gone out with her boyfriend’
- with it
fashionable, in fashion, in vogue, voguish, popular, up to date, bang up to date, up to the minute, modern, all the rage, modish, trendsetting
stylish, smart, chic, glamorous, elegant, classy, high-class, high-toned
à la mode, de rigueur
trendy, cool, in, the in thing, hot, big, massive, hip, happening, now, sharp, groovy, mod, swinging, snazzy
kicking, kicky, tony, fly, spiffy, sassy, stylin'
all the go