Clinton's 'champion' presidency bid
Hillary Clinton is running for president.
The former first lady and secretary of state made her 2016 plans official on her campaign website today.
She says in a video that "everyday Americans need a champion. I want to be that champion".
Mrs Clinton is aiming to be the first female president.
Mrs Clinton enters the Democratic primaries in a strong position to succeed her 2008 rival, President Barack Obama.
Following the announcement, she is expected to travel soon to early voting states, including Iowa and New Hampshire.