"When in doubt, always err on the side of caution," an etiquette expert told Newsweek about wedding-guest costumes.

It typically falls between semi-formal and black-tie, requiring elegant dresses for women and well-tailored suits or tuxedos for men. For Women: Floor-length or midi-length evening gowns ...

ROSIE Huntington-Whiteley blue away her fans on a trip to Brazil. The supermodel is in Sao Paulo with jewellery brand Tiffany ...

Katie Holmes put a sultry spin on turtlenecks, opting for a semi-sheer gown, at the “Glengarry Glen Ross” Broadway premiere ...

Other female celebrities who dazzled on the red carpet of the iHeartRadio Music Awards include Madison Beer in a sequined black minidress, Victoria Monet in a floor-length Maticevski dress, and ...

But, if you are needing to dress for a white-tie event, there are a few non-negotiables. For women, the sartorial requirements are pretty straightforward: formal floor-length gowns, often worn ...