Celebrity See How Celebrities Are Paying Tribute to Martin Luther King, Jr. on Instagram By Meghan Overdeep Meghan Overdeep Twitter Meghan Overdeep is a writer and editor based in Brooklyn who covers all things celebrity and pop culture. She worked as a News Blogger for InStyle for two years and is currently a Senior Staff Writer at Southern Living. InStyle's editorial guidelines Updated on January 15, 2018 @ 05:15PM Pin Share Tweet Email Photo: madonna/Instagram Five decades after his assassination, America is coming together once more to celebrate the life of Martin Luther King, Jr. and his immeasurable contributions to the civil rights movement. Among his long list of accomplishments, the Nobel Peace Prize recipient led the 1955 Montgomery bus boycott and helped found the Southern Christian Leadership Conference. Later, he organized the 1963 March in Washington, where he delivered his famous "I Have a Dream" speech. He was only 39 years old when he was gunned down by James Earl Ray on April 4, 1968 in Memphis, Tennessee. From Brooke Shields to Madonna, scroll down to see how your favorite stars are paying tribute to MLK today: Gigi Hadid: Brooke Shields: Gabrielle Union: Lily Collins: Madonna: Sarah Jessica Parker: Zendaya: Kris Jenner: Reese Witherspoon: Nikki Reed: