These power duos prove that whether they're tackling global crises or ruling the world, sometimes it takes two.
Here's a look at some of the world's most powerful couples.
Michelle and Barack Obama. With 67% of Americans viewing first lady Michelle Obama favorably, she's more popular than the president.
Xi Jinping and Peng Liyuan. Peng Liyuan is the stylish second wife of newly-installed Chinese President Xi Jinping.
Melinda Gates and Bill Gates. With a net worth of $67 billion, Bill Gates is the United States' richest man, and through the work of the foundation he founded and runs with wife Melinda, he's also the world's most generous.
Jay-Z and Beyoncé. The first couple of music is tight with the first couple of the United States and each respected in their own rights.
Angelina Jolie and Brad Pitt. After seven years as a couple, Angelina Jolie and Brad Pitt announced their engagement. "Yes, it's confirmed. It is a promise for the future and their kids are very happy."
Marissa Mayer and Zachary Bogue. Yahoo CEO Mayer and Bogue, a former lawyer who invests in big-data startups and founded investment fund Data Collective, married in 2009.
Portia de Rossi and Ellen DeGeneres. The talk show host/comedienne and ‘Arrested Development’ actress married in 2008. In March, DeGeneres took to her blog to urge the Supreme Court to strike down California's Prop 8: "Portia and I aren't as different from you as you might think."
Hillary and Bill Clinton. Former U.S. President Bill Clinton and former U.S. Secretary of State Hillary Rodham Clinton are both private citizens now, but they are still one of the most influential couples in the world.
Gerard Pique and Shakira. The Colombian-born performer is a judge on "The Voice" and her footballer-boyfriend Pique plays for FC Barcelona, one of soccer's most valuable teams. They welcomed their first child in January.
Click here to read more about the world's most influential couples.
To read about 2013's most powerful women in the world, click here.