The model is Steffy Argelich. (source)
All of the covers featuring actors Kodi Smit-McPhee (in total Lanvin), Kurt Russell (in Ralph Lauren) and Armie Hammer (in DSquared2) are photographed and styled by Francesco Carrozzini and Robert Rabensteiner respectively. See Nick Jonas cover version here. (source)
How To Get Away with Murder‘s Viola Davis is wearing Lanvin on the January cover of InStyle US shot by Jan Welters. (source)
Click here to view 2015 cover featuring Jessica Chastain, here to view 2014 cover featuring Britney Spears, here to view 2013 cover featuring Amanda Seyfried, here to view 2012 cover featuring Jennifer Garner, here for 2011 cover with Gwyneth Paltrow, and here for 2010 cover with Whitney Houston.
UPDATED JUNE 23RD 2015: Zoe Costello styled the Pitch Perfect 2 star and director in Lanvin on the cover, captured by Hunter and Gatti. Hair and make up by Paco Garrigues and Jo Baker.
The latest editorial “Fashion Story #3” in the Spring Summer 2015 issue of Antidote Magazine is featuring Gigi Hadid, Barbara Palvin, Manon Leloup, Jing Weng, Jarrod Scott, Riley Montana, Tobias Sorensen, Othilias Simon, and Maja Salamon who were captured by Daniel Sannwald with cool creative and fashion direction by Yann Weber.
Gigi Hadid wearing Valentino, hair and make up by Franco Gobbi and Maud Laceppe. Barbara Palvin wearing AMI-Alexandre Mattiussi, hair and make up by Tomohiro Ohashi and Isamaya Ffrench. Manon Leloup wearing Hermès and Ann Demeulemeester, Jing Weng wearing Isabel Marant both hair and make up were done by Tomohiro Ohashi and Isamaya Ffrench. Barbara Palvin wearing Diesel Black Gold, hair and make up also by Tomohiro Ohashi and Isamaya Ffrench. Riley Montana wearing Philipp Plein, hair and make up by Tomohiro Ohashi and Adrien Pinault. Tobias Sorensen wearing Moncler, Jil Sander and Rolex, hair and make up by Ken O’Rourke and Dotti. Othilia Simon wearing Bally and Bulgari, hair and make up by Tomohiro Ohashi and Adrien Pinault. Lastly, Maja Salamon wearing Lanvin, Courrèges and Maison Margiela, hair and make up by Tomohiro Ohashi and Isamaya Ffrench. (source)