The Star reports Christina Aguilera and several of her female friends went to a popular gay and lesbian bar in Hollywood where they got caught up in a all-girl cat-brawl. Apparently Christina and pals took advantage of the ruckus to throw drinks around their own table, raising the ire of a bartender. Christina thumbed her nose at the bartender and told him off, finally leaving with her and her friends huge mess left behind. A good bet would be the women were at the popular Girl Bar, formerly known as Axis at The Factory. Check it out at girlbar.com.