Lily Aldridge is featured in the 2015 SI Swimsuit Issue, which hits stands this week.

Aldridge was photographed in Washington by Yu Tsai. In 2014, Aldridge was photographed in Cook Islands.

• Swimsuit 2015: Lily Aldridge photos

Along with several models, the 2015 Swimsuit Issue features two athletes: UFC women's bantamweight champion Ronda Rousey and tennis star Caroline Wozniacki.

This year, seven models are up for Rookie of the Year: Ashley SmithErin HeathertonHailey ClausonKelly RohrbachRobyn LawleyRose Bertram and Solveig. Voting runs through Feb. 28 on the SI Swimsuit 2015 website.

• Swimsuit Launch Week Diary: The Lead-Up Before Issue is Released

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Swimsuit 2015 - Caroline Wozniacki - Uncovered