Talk-show host Oprah Winfrey has placed an eight-room, 4,607-square-foot co-op unit inStreeterville up for rent for $15,000 a month.

She reportedly purchased the luxury apartment in the urban-upscale Streeterville neighborhood in 2006 for $5,600,000.

The sixth-floor co-op is one of 13 apartments in a Beaux Arts-style building that was built in 1913 and designed by architect Benjamin Marshall.

The Oprah Winfrey Show is seeking $1 million for 30-second commercials during the program’s May 25 finale, according to Horizon Media Inc.

The $1 million mark is reportedly more than last year’s ABC “Lost” finale, which commanded $900,000, and Fox’s $650,000 price tag for its “24″ finale.

The $1 million asking price is rare for a series finale, but it’s not the highest in history according to Horizon Media.

Oprah Winfrey is eyeing up an $68million USD mega-mansion – one of the costliest homes in the United States.

The media mogul is said to have inspected the sprawling Old Frick Estate in the ulta-exclustive suburb of Alpine in New Jersey according to The New York Post.

The 30,300 square foot, five-storey English-manor style property boasts 19 bathrooms and 12 bedrooms.

Forbes released its 2010 list of the 400 richest people in America this week, and Microsoft Chairman Bill Gates was in the top spot for the 17th consecutive year.

Industrialist Warren Buffett, Chief Executive Officer of Berkshire Hathaway Inc, has bagged the second place this year with fortunes worth $45 billion.

While worth $27 billion dollars, software company Oracle’s co-founder and CEO Larry Ellison is the third richest American.

With a net worth that grew by nearly $4.9 billion, Facebook founder Mark Zuckerberg had the largest percentage gain this year, jumping from 158 to number 35 with $6.9 billion.

Superstar US talkshow host Oprah Winfrey has has been named the most powerful celebrity in the world by Forbes magazine.

Winfrey knocked film star Angelina Jolie off the top spot of Forbes’s annual Celebrity 100 list, which is based on earnings and media exposure.

In second place to the enduring talkshow diva, popular singer Beyonce Knowles jumped two positions with earnings of 87 million dollars, following a profitable year for her growing entertainment and fashion empire.

Only 14 of the world’s 1,000 billionaires are self-made women, and only seven of them had no help from relatives, a new list has found.

By contrast, 665 men are self-made billionaires including the three richest people in the world, Carlos Slim Helú , Bill Gates and Warren Buffett.

Among the list are talk-show star Oprah Winfrey, Harry Potter author J.K. Rowling and former eBay head, Meg Whitman.

The richest on the list was Chinese real estate billionaire Wu Yajun, whose fortune is worth $US3.9 billion.