we looked back at his trajectory to the White House. While you might be used to Obama's face after eight years, we're guessing you haven't seen these 21 photos of Obama before he took office.

His Republican ... On Tuesday, Americans head to the polls to elect the country's 45th president. Here are 44 memorable photos of America's 44th president — Barack Obama. White House ...

So let's take a look back ... Obama once again nodded his head in what almost appeared to be a bow while greeting Chinese President Hu Jintao at a Nuclear Security Summit in Washington. Photos ...

President Obama might turn ... Get a glimpse of his approachable demeanor and ability to connect with all types of everyday people thanks to these memorable photos from his time in office.

That moment, captured by White House photographer Pete Souza, shows Obama bowing his head to Jacob Philadelphia ... It’s one of the most iconic pictures of Obama’s legacy in the White ...

Pete Souza/The White House In the first photograph, President Barack Obama is sitting in the back of the Situation ... positioned almost perfectly above his head. Mr. Trump had also just returned ...