Britney Spears has been showing her holiday spirit and her daring side this week, sharing a sultry dance video on Instagram after reuniting with her sons for Christmas just a day earlier.

The history between Madonna and Spears runs deep, from collaborating on their 2003 single "Me Against the Music" to sharing an infamous tongue-swapping kiss during the MTV Video Music Awards in the ...

Consider us your guide to the empire that is Britney Spears, from her perfume to her Vegas residency. Revisit Britney's red-carpet fashion at awards shows like the Grammys then follow our Britney ...