Gallery Launch Gallery

We keep tabs on lots of social media stars ... and we're really paying attention to Avani Gregg this weekend -- because she's turning 23!

She's also an actress on a steady rise to fame ... and since she's shared plenty of sexy snaps along the way, here's a refresher for the occasion.

Make the most of this, because Gregg's special day only comes once a year ... Happy Birthday Avani!

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