Willow Smith (Getty)

Kendall Jenner with friends, July 18, 2014 (Courtesy of Instagram)

Karrueche Tran in a bikini on March 16, 2014. (Courtesy Of Instagram)

Karrueche Tran in a bikini on March 16, 2014. (Courtesy Of Instagram)

Bella Thorne in a bikini with a friend on March 16, 2014. (Courtesy Of Instagram)

Kim Kardashian in Miami, FL, March 12, 2014 (Courtesy of Instagram)

Kim Kardashian in Miami, FL, March 12, 2014 (Courtesy of Instagram)

Kylie Jenner in Miami, FL on March 12, 2014 (Courtesy of Instagram)

Beyonce (Courtesy of Instagram)

Demi Lovato (Courtesy of Instagram)

Kourtney Kardashian (Courtesy of Instagram)

Rita Ora (Courtesy of Instagram)

Gisele Bündchen (Courtesy of Instagram)

Lily Allen (Courtesy of Instagram)

First lady Michelle Obama (2R) waves standing with (L-R) Carolyn Reed of Denver, Colorado, Astrid Muhammad of North Carolina, Anthony Mendez of Bronx, New York and Dr. Jill Biden prior to U.S. President Barack Obama’s State of the Union speech before members of Congress of the U.S. Capitol January 20, 2015 in Washington, DC. Obama was expected to lay out a broad agenda including attempts to address income inequality and making it easier for Americans to afford college education and child care. (Photo by Mark Wilson/Getty Images)