1)A talented singer who is idolized by many people of all ages and genders, but mostly preteen and teenager girls. She is often called a "stupid slut who can't sing", usually by shallow no-talent losers who can't carry a tune themselves.
2)An act of changing one's self image a lot, usually into a more risque figure.
3)An act of spontaniously getting married in Las Vegas and then divorcing 55 hours later.
1)"Do you like the song 'Everytime' by Britney Spears?"
2)"Everyone knew Amanda pulled a Britney Spears when she showed up with a tight, metallic low-cut designer top and a micro-mini skirt.