Now an established singer and actor, Justin Timberlake has come a long way from coordinating denim ensembles with former girlfriend Britney Spears (remember that?). Here are a few facts about the "Sexyback" singer that you may not already know.

1. Marking his departure from 'N Sync, Timberlake's 2002 solo debut album, Justified, sold over seven million copies.

2. Madonna once gave him a vitamin B12 shot in his behind.

3. Timberlake's middle name is Randall, and he was born on January 31, 1981, in Memphis, Tennessee.

4. Timberlake joined the cast of Disney's "The Mickey Mouse Club" in 1993, joining castmates Britney Spears and Christina Aguilera.

5. Tequila is Timberlake's favorite liquor.

Justin Timberlake [Biography]
Justin Timberlake: Fun Facts [NBC]
5 Things You Don't Know About Justin Timberlake [ET Online]

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