From the Peach Pit to Sandals.

Tiffani Thiessen and Brian Austin Green have reunited 30 years after their three-year relationship in the ’90s.

The former flames dated from 1992 to 1995 — and made headlines for having a rocky romance .

But on Thursday night, Green, 52, and Thiessen, 51, posed together for a series of shots while at a private event hosted by Sandals Resort in LA.

The “Don’t Blink” actor wore jeans with a bomber jacket and baseball cap while the “Saved by the Bell” alum opted for a white, floral blouse, black jeans and fiery red boots.

Thiessen was joined by her daughter Harper, 15. She and actor Brady Smith tied the knot in 2005, and also share son Holt, 10.

Green, who is engaged to “Dancing With the Stars” pro Sharna Burgess, flew solo for the event.

Thiessen was c

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