Power Couples

He went from being an Illinois senator to becoming the 44th President of the United States. She became the first lady and a style icon. When the Obamas moved into the White House, they became one of the most powerful couples in the world. From politics to Hollywood, here's a look at a few other powerful hookups (and breakups) that made headlines.

Prince Ranier & Princess Grace

Prince Rainier And Grace Kelly — AP Photo

American movie star Grace Kelly became a real-life princess when she married Prince Rainier III of Monaco on April 19, 1956. The marriage endured until her death in 1982, and produced three children. Before giving up her career, Kelly starred in films such as ""Dial M For Murder" and "Mogambo" and won an Academy Award for best actress in "The Country Girl."

Elizabeth Taylor & John Warner

Politics and Hollywood merged in December 1974. That's when movie legend Elizabeth Taylor married husband No. 6 -John Warner. At the time, Warner was Secretary of the Navy, but in 1979, was elected to the U.S. Senate representing Virginia. The couple divorced in 1982.

Brangelina

From the red carpet to the neediest corners of the world, Brad Pitt and Angelina Jolie have been using their celebrity and their wallets to make the world a better place. Here they're shown with children and families affected by Hurricane Katrina in New Orleans, Saturday, Dec. 22, 2007. The couple are working to rebuild a community there.

Posh And Becks

He's the highest paid soccer player in he world. She's one of the Spice Girls. With their own lucrative careers, Brits David and Victoria Beckham have started a new life with their three youngs sons in L.A.

The Clintons

From the first couple of Arkansas to the first couple of the United States. Now she's the Secretary of State, and he travels the world doing work for his foundation. They may be out of the White House, but they are still a power couple.

Arnold Schwartzenegger And Maria Shriver

He's the Austrian bodybuilder turned superstar businessman, movie star and politician. She's an author, the niece of JFK and a former television journalist. Today Arnold Schwartzenegger and Maria Shriver are the parents of four and the powerful first couple of California.

Nicolas Sarkozy & Carla Bruni

French President Nicolas Sarkozy, 52, and supermodel-turned-singer Carla Bruni, 40, began making headlines in late 2007 for their very public pairing -- soon after Sarkozy's second divorce became final.

Mike Nichols & Diane Sawyer

From the Broadway stage to the big screen, director/producer/writer Mike Nichols has hit after hit, winning eight Tony's, four Emmys, a Grammy and an Oscar. His fourth wife, Diane Sawyer, is one of the most respected women in broadcast journalism. Here they are shown stepping out at the L.A. premiere of Nichols' latest film, "Charlie Wilson's War."

Will & Jada Pickett Smith

There's no denying Will Smith and his wife, Jada Pickett Smith are Hollywood elite. Both actors got their big breaks on TV and found success on the big screen. Will started as a rapper, gaining movie star status with roles in "Men In Black," "The Pursuit of Happyness," and "I am Legend." Jada has her own successful movie career and is lead singer of the band Wicked Wisdom. Together they are raising three children.

Tom Cruise & Katie Holmes

He's been a mega-star since starring in hit films like "Jerry Maguire" and the "Mission: Impossible" series. She was known for her role on the television show "Dawson's Creek." Their whirlwind romance dominated the headlines, and now the two are married and raising their daughter Suri, along with Cruise's two children from his marriage to Nicole Kidman.

Nicole Kidman & Keith Urban

Kidman used to be part of a different power couple - her marriage to Tom Cruise ended in 2001. Now, she and country crooner Keith Urban are a power couple in their own right - his albums top the charts and her films do well at the box office. The two married in 2006 and had daughter Sunday Rose in 2008.

Jane Fonda & Ted Turner

Power players Jane Fonda and Ted Turner married on Dec. 21, 1991 and divorced in 2001. It was the third marriage for both Fonda, the two-time Oscar winner, activist, writer and fitness guru and Turner, the cable-television tycoon and CNN founder.