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Jada Pinkett Smith has no problem showing us her roots.

The actress went makeup (and hair product!) free as she strolled through Beverly Hills Friday in a fall-like black-and-brown combo ... and she couldn't stop smiling!

That's impressive since it's been an interesting few months for Jada. She had to deal with rumors that she was splitting from hubby Will Smith, her TNT show HawthoRNe got canned after three seasons and she just turned 40 -- complete with an hourlong video tribute from Will!

We can't wait to see what Jada does next!