American model Gigi Hadid appears in the SI Swimsuit Issue, which hits newsstands this week.
Along with several models, the 2015 Swimsuit Issue features two athletes: UFC women's bantamweight champion Ronda Rousey and tennis star Caroline Wozniacki.
• Swimsuit 2015: Gigi Hadid photos
Hadid was photographed for the 2015 issue by Yu Tsai in Kauai. Hadid made her debut in the Swimsuit Issue in 2014, along with 11 other rookies, including Rookie of the Year Sara Sampaio.
This year, seven models are up for Rookie of the Year: Ashley Smith, Erin Heatherton, Hailey Clauson, Kelly Rohrbach, Robyn Lawley, Rose 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
Swimsuit 2015 - Nina Agdal - Uncovered
Watch 's videos from Sports Illustrated 2015 Swimsuit Issue. See outtakes and behind-the-scenes footage of 's photo shoot in .