Everyone has jumped on the Obama bandwagon.

Madonna celebrated Barack Obama’s victory Tuesday night with a glittering rally, leading thousands of fans at her concert in San Diego with a rousing introduction to her song “Express Yourself.”

Can she even vote? I thought she became a UK citizen when she adopted that horrible faux-Brit accent.

In a video posted on YouTube, Madonna claps her hands and declares, “This is a historical evening! ... We are lucky to be sharing it with each other!”

Oprah Winfrey cried during the celebration in Chicago’s Grant Park. We knew that was coming.

She told the TV show "The Insider": “I was so, so, so excited and then just sort of a calm came over me. It feels like it actually is kind of real, so it feels great.”

Of course Lindsay Lohan had to add her two cents. Reacting on her Myspace page, Lohan gushed, “OBAMA IS OUR PRESIDENT!” and said that everyone who voted, “no matter their choice ... should be proud for voting in the first place.”

I wonder if she voted...

We're still waiting for Paris Hilton's publicist to release a statement. And where is Diddy???