Names in the news.

Byline: Tirdad Derakhshani

The poor girl's barely had time to get over her breakup with dream boat Justin Timberlake, and now Britney Spears is getting the heave-ho from Pepsi.

After two years as the company's spokeswoman, 21-year-old Spears is being replaced by Destiny's Child R&B diva Beyonce Knowles.

The company didn't have much to say about Spears, except that it won't renew her contract _ estimated at $10 million _ when it expires at the end of the month.

Age can't be the issue _ Knowles is also 21. But according to the New York Post, the reasons may be pragmatic: Spears has suffered major public-relations setbacks with the flop of her first movie, "Crossroads," and the disastrous reviews that followed the opening of her Manhattan restaurant Nyla.

Worse, she's lost her good-girl image. …