Briefly: Britney Spears, Loretta Lynn, Christina Aguilera, Ray Charles

Six months after her aborted Las Vegas marriage to a childhood friend, Britney Spears reportedly is engaged to marry 26-year-old dancer Kevin Federline.

The couple hasn't revealed additional details, but they reportedly have booked an exclusive interview with People magazine for later this week.

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Country singer Loretta Lynn, who postponed all of her June concert dates due to a back ailment, has also called off three July shows.

According to a statement on her official website, Lynn was hospitalized for double pneumonia after she was treated for her back problem. She now is resting at her Hurricane Mills, TN, home.

The canceled dates include a July 3 show at her Hurricane Mills ranch, as well as planned July 9 and 10 performances at Falls View Casino in Niagara Falls, NY.

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Christina Aguilera will be the main attraction at Pittsburgh's July 6-11 Elements festival, according to organizers.

Aguilera performs at the David L. Lawrence Convention Center on July 10; more information is available at the event's website.

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"Ray," a Ray Charles biography film starring Jamie Foxx, is scheduled to hit movie theaters in October.