1/40 Kendall Jenner and Gigi Hadid. 2/40 Selena Gomez and Taylor Swift. 3/40 Beyonce and Gwyneth Paltrow. 4/40 Cara Delevingne and Kendall Jenner, affectionately known as CAKE. 5/40 Jennifer Aniston and Courtney Cox. 6/40 Pixie Geldof and Alexa Chung. 7/40 Naomi Campbell and Kate Moss. 8/40 Nicole Kidman and Naomi Watts. 9/40 Mary-Kate and Ashley Olsen. 10/40 Vanessa Hudgens and Ashley Tisdale. 11/40 Maya Rudolph and Kristen Wiig. 12/40 Keira Knightley and Sienna Miller. 13/40 Kendall Jenner and Gigi Hadid. 14/40 Lily Aldridge and Behati Prinsloo. 15/40 Pippa and Kate Middleton. 16/40 Taylor Swift and Karlie Kloss. 17/40 Kelly Rowland and Beyonce. 18/40 Reese Witherspoon and Sofia Vergara. 19/40 Katy Perry and Rihanna, 20/40 Penelope Cruz and Salma Hayek. 21/40 Tina Fey and Amy Poehler. 22/40 Poppy and Cara Delevingne. 23/40 Victoria Beckham and Eva Longoria. 24/40 Jennifer Meyer and Kate Hudson. 25/40 Cameron Diaz and Drew Barrymore. 26/40 Alexa Chung and Daisy Lowe. 27/40 Taylor Swift and Lorde. 28/40 Paris and Nicky Hilton. 29/40 Cara Delevingne and Suki Waterhouse. 30/40 Jourdan Dunn and Cara Delevingne. 31/40 Michelle Williams and Busy Philipps. 32/40 Hailey Baldwin and Kendall Jenner. 33/40 Lena Dunham and Taylor Swift. 34/40 Julianne Hough and Nina Dobrev. 35/40 Ashley Benson and Shay Mitchell. 36/40 Cindy Crawford, Charlotte Tilbury and Amal Clooney. 37/40 Jessica Biel and Jennifer Garner. 38/40 Este, Danielle and Alana Haim. 39/40 Chelsea Handler and Jennifer Aniston. 40/40 Lala Anthony and Kim Kardashian.