What is Britney Spears' signature song? (poll 7121208)

What is Britney Spears' signature song?

...Baby One More Time

Everytime

I'm a Slave 4 U

Lucky

Me Against the Music (Ft. Madonna)

Oops!...I did it Again

Stronger

Toxic

Vote View Results

See this poll on: https://poll.fm/7121208/embed