Justin timberlake and brittany spears

#NeverForget

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Let's be honest: Britney Spears requires no introduction. The singer, dancer, actor and undeniable tabloid fixture has dominated popular culture since she stepped onto the entertainment scene in the late '90s. December 2 is Spears' 40th birthday, which means it's the perfect time to celebrate her lifetime's worth of achievements thus far. From the moment she uttered that first breathy "Oh, baby, baby" in her debut single "...Baby One More Time," the music game was officially changed…

Rare photos show Britney Spears celebrating her 18th birthday party with Justin Timberlake and her family at a bar in New York City, DailyMail.com can reveal.

Britney Spears and Justin Timberlake together back in July 2001

What might be even more terrifying than strolls through moonlit cemeteries in the wee hours of the night is arriving at October 31st without a clue of what to dress up as!