Celebrities Pay Tribute to 9/11 Victims on 16th Anniversary of Attacks

On this day 16 years ago, our country was forever changed by horrific attacks on New York City's World Trade Center.

As we continue to learn and grow as a country following the unthinkable terror inflicted on Sept. 11, 2001, we will never forget the brave souls who gave their lives on that truly terrible day.

Scroll down below to see what your favorite celebrities posted in tribute to the victims of 9/11.

Barack Obama

Reese Witherspoon

Mark Wahlberg

Chloe Grace Moretz

Diane Kruger

Kate Upton

Amy Schumer

Laverne Cox

Tina Knowles

Debra Messing

Jennifer Lopez

Karolina Kurkova

Uzo Aduba

Ashley Benson

Carolyn Murphy

Lily Adridge

Melania Trump

Josh Duhamel

Olivia Munn

Sophia Bush

Kerry Washington