Wills Makes Paris His Subject for a Night

10/17/2008 1:58 AM PDT BY TMZ STAFF
The Queen will not be amused.

Princes William and Harry were out last night in London, reports the Mirror, with what the tab hilariously describes as "two showgirls" -– Paris Hilton and Christina Aguilera. Apparently the heirs to the British throne were quaffing and "singing cheesy pop songs" with Hiltie and Xtina.

Another Brit source -- the Telegraph -- says the Prince and Paris were "flirting outrageously." And they say the sun never sets on the British Empire.