Britney Spears became just the second artist ever to debut multiple songs at No. 1 on the Hot 100 when her new single "Hold It Against Me" launched right at the top of the chart last week (Jan. 19). To say that the track's forthcoming video -- which she posted a still from yesterday (Jan. 24) -- is eagerly-awaited is a huge understatement. From the flirty school-girl mini-skirts of "...Baby One More Time" to the sweaty belly dancing of "I'm A Slave 4 U" to the Technicolor flight attendant look in "Toxic" to the steamy white bathing suit moves of "3," each one of Spears' clips has its own style. But now, we want to know, what is the ultimate fan-favorite Britney Spears video? The answer is in your hands. Vote for your favorite Britney clip in the poll below, and then the day the video for "Hold It Against Me" premieres come back to watch it and to see your picks for fans' 10 Best Britney Videos Ever. Ready? Vote!