The pregnant pop princess Britney Spears seems to be going all out in preparation for her delivery.

The singer has selected a luxurious room in Scottsdale (Arizona) hospital, reports Newsweek magazine.

"Britney wants white and yellow roses in the room when she gets there," a source said. According to reports, she has also made sure that the rooms on both sides remain vacant.

The source added that Britney is concerned about security.