The former first daughter wore a gray T-shirt dress with a crewneck neckline and cinched waist for added definition to the frock's silhouette. The dress also included three-quarter-length sleeves.

For those who haven't noticed yet, Zuckerberg wears the same gray T-shirt at most public events. While many expected a playful response, Zuckerberg gave a pretty serious answer for his penchant to ...