Our You Oughta Know artist turned global superstar John Legend stopped by chez Colbert recently, singing a little valentine to the Lady of New York Harbor. There was love in the air, but some tension, too. Toward the end, the host said he just might kick the natty soul celeb’s “prom king ass.” Why must a woman come between friends? Y’all know we’re celebrating the 25th anniversary of Thriller, yes?

Will.i.am (of Black Eyed Peas fame) has wrangled a bunch of celebs, including Scarlett Johansson, Nick Cannon and Common, to sing it loud and proud in his new video supporting Barack Obama’s presidential campaign. The senator’s famous “Yes We Can” speech has been put to music and celebs sing along as video of Obama plays beside them. It’s so pretty and powerful that a nation might find it in its heart to forgive “My Humps.” Stars making appearances in the piece include: Jesse Dylan, Tatyana Ali, John Legend, Herbie Hancock, Kate Walsh, Kareem Abdul Jabbar, Aisha Tyler,and Nicole Scherzinger.

Super Tuesday is less than 24 hours away! Looking to vote and get involved? Find out about the issues, and click here to register and learn more.

Movie premieres, awards shows, benefit concerts, and plain old clubbin’ – while we’re at home, the beautiful peeps are living it up. About Last Night puts you in touch with all the action.

Petra Nemcova, John Legend, Joss Stone, Ashanti, Diddy, Kelly Ripa, LL Cool J, Jessica Stam, and Jamie-Lynn Sigler were among those at the 2007 Angel Ball Benefiting Cancer Research.

Denzel Washington, Russell Crowe, Lymari Nadal, Mel Gibson, Jeremy Piven, and Damon Wayans attended an industry screening of American Gangster in LA.

Lots of prep work has gone into the solidification of the Martin Luther King, Jr National Memorial on the Mall in Washington, DC. All that’s needed is a final chunk of change to help get the whole thing built. When it’s complete, a tribute to the great man’s ideas regarding equality and peace will be closely situated to those praising other American thinkers, such as Lincoln and Jefferson.

An array of performers have bonded together to help secure these project funds - The Dream Concert is a superstar deal that takes place in New York on Tuesday, September 18. Stevie Wonder, Aretha Franklin, Carlos Santana, Ludacris, John Legend, Babyface, Usher, Garth Brooks, Wycliffe Jean, Joss Stone, Talib Kweli, Robin Thicke, Whoopi Goldberg, Magic Johnson, and several others will take the stage for the cause.

Check back on Wednesday. We’ll have some post-show pics for you. Which artist would you most like to see yourself? Hit “Comments.”