Stars Commemorate Historic March on Washington

Former U.S. presidents Jimmy Carter and Bill Clinton arrive with the Obamas at the Let Freedom Ring ceremony in Washington, DC, which was held Wednesday August 28 to commemorate the 50th anniversary of Dr. Martin Luther King Jr.'s "I Have a Dream" speech and the March on Washington.

President Barack Obama and First Lady Michelle Obama arrive at the Let Freedom Ring ceremony in Washington, DC, which was held Wednesday August 28 to commemorate the 50th anniversary of Dr. Martin Luther King Jr.'s "I Have a Dream" speech and the March on Washington.

LeAnn Rimes sings at the Let Freedom Ring ceremony in Washington, DC, which was held Wednesday August 28 to commemorate the 50th anniversary of Dr. Martin Luther King Jr.'s "I Have a Dream" speech and the March on Washington.

As the two commemorated the 50th anniversary of Dr. Martin Luther King Jr.'s "I Have a Dream" speech and the March on Washington on Wednesday, Oprah posted this pic on Instagram with the caption, "Celebrating MLK 50th anniversary march at Lincoln memorial. #letFreedomring"

Media mogul Oprah Winfrey speaks at the Let Freedom Ring ceremony in Washington, DC, which was held Wednesday August 28 to commemorate the 50th anniversary of Dr. Martin Luther King Jr.'s "I Have a Dream" speech and the March on Washington.

Actor Jamie Foxx joined other celebrities, former U.S. presidents and civil rights leaders Wednesday in Washington D.C. to celebrate the 50th anniversary of Dr. Martin Luther King Jr.'s "I Have a Dream" speech and the March on Washington. Click through the gallery to see which stars attended and performed!