Determined not to let a pesky thing like, oh, not having an invitation get in the way, Britney Spears plans to carve out time from her busy tour schedule to drop by Buckingham Palace for tea—with sons in tow. "No way does she want to leave without visiting the Queen," an insider told the Daily Mirror. Spears apparently has a thing for the Windsors and "is desperate for her sons to rub shoulders with royalty." (More entertainment stories.)