Happy birthday, Emily Ratajkowski! The model turns 30 years old today. She celebrated the milestone occasion in true EmRata fashion: by wearing a jaw-dropping bikini on the beach. She wore a seashell top from Versace's

ocean-themed S/S 21 collection, which was rife with motifs such as starfish, coral, shells, fish, and more. The result? An outfit that belongs in The Little Mermaid. 

The designer herself, Donatella Versace, chimed in on Instagram: "The birthday mermaid!!! You look STUNNING @emrata." Naturally, Ratajkowski's 27 million followers really lapped up the photos, making her posts go viral almost instantly. Scroll down to see Ratajkowski's birthday bikini and to shop the "under the sea" trend for yourself.