The model showed off her growing baby bump during a beach day photo shoot in Costa Rica with boyfriend Joaquim Valente and his family Catherine Santino is a Style Writer-Reporter at PEOPLE.

Fanning has also experimented with daring looks as her career has progressed, wearing gowns with plunging necklines and embracing sheer fabric. Check out some of Fanning's boldest looks to date.

A flounce bikini top has flowing fabric across the front layered over a fitted top underneath ... A swimsuit cover-up is a tunic-style top that’s worn over a swimsuit. It can be sheer or solid ...