Emily Ratajkowski, Irina Shayk, Chrissy Teigen & Lily Aldridge's Best Moments: SI Swimsuit 2015

Emily Ratajkowski was photographed by Yu Tsai in Kauai.

Irina Shayk was photographed by Yu Tsai in Kauai.

Chrissy Teigen was photographed by Yu Tsai in California.

Lily Aldridge was photographed by Yu Tsai in Washington.

Emily Ratajkowski was photographed by Yu Tsai in Kauai.

Irina Shayk was photographed by Yu Tsai in Kauai.

Chrissy Teigen was photographed by Yu Tsai in California.

Lily Aldridge was photographed by Yu Tsai in Washington.

Emily Ratajkowski was photographed by Yu Tsai in Kauai.

Irina Shayk was photographed by Yu Tsai in Kauai.

Chrissy Teigen was photographed by Yu Tsai in California.

Lily Aldridge was photographed by Yu Tsai in Washington.

Emily Ratajkowski was photographed by Yu Tsai in Kauai.

Irina Shayk was photographed by Yu Tsai in Kauai.

Chrissy Teigen was photographed by Yu Tsai in California.

Lily Aldridge was photographed by Yu Tsai in Washington.

Emily Ratajkowski was photographed by Yu Tsai in Kauai.

Irina Shayk was photographed by Yu Tsai in Kauai.

Chrissy Teigen was photographed by Yu Tsai in California.

Lily Aldridge was photographed by Yu Tsai in Washington.