Celebrities As Mermaids: Courtney Stodden, Katy Perry, Rihanna Join The Trend (PHOTOS)

When Courtney Stodden's new commercial for FreeCreditScore.com surfaced yesterday, the teen bride's mermaid costume got us thinking about all the other celebrities who've recently dressed as the mythical aquatic creature.

Just last week, Katy Perry made waves when she donned a sea-nymph look for a new ghd hairdryer campaign, shot by David LaChapelle. In 2011, Rihanna sported long Titian locks, a la Ariel, against an ocean backdrop on the cover of Vogue, later reprising the beach look for her Vita Coco Coconut Water ads.

Who else has posed as a mermaid? Take a look through our gallery to see the following stars in their "under the sea" finest.