Democrat Barack Obama has been re-elected President of the United States after scoring victory against Republican Mitt Romney on Tuesday night (06Nov12).

Projections suggest Obama will win the critical swing state of Ohio, putting him over the 270 electoral votes needed to secure the presidency.

During a lengthy campaign, the incumbent secured a wave of celebrity support and endorsements, with rapper The Game, Pamela Anderson, Sir Paul MCCartney and Beyonce among those who urged Americans to vote for Obama in recent days, while Bruce Springsteen and Jay Z performed at election eve rallies on Monday (05Nov12).

Meanwhile, George Clooney, Sarah Jessica Parker, Will Smith and Gwen Stefani hosted fundraisers for the President's re-election campaign.

Eva Longoria, who is a fervent supporter of Obama, was among the first stars to celebrate his win on Twitter.com, writing, "We did it!!! Obama re-elected!!!!! Yes!! Yes We Can!"

She later added, "Barack Obama re-elected as 44th President of the Usa!!!! Go @BarackObama!!!! Me and my friends celebrating! I'm on tears (sic)! Moving the country forward!!! Obama!!!"

Obama also took to Twitter to thank fans, writing, "We're all in this together. That's how we campaigned, and that's who we are. Thank you."