Billy Crystal and Meg Ryan are back together as Harry and Sally in a new commercial for Hellmann's mayonnaise set to air during the upcoming Super Bowl. Its opening line: "I can’t believe they let us back into this place," Crystal’s Harry tells Ryan’s Sally over lunch at Katz’s Deli on Manhattan's Lower East Side.

It's time to return to Katz's Deli with the stars of "When Harry Met Sally" – this time though, it's for a Super Bowl ad

“Billy Crystal-core” is dominating the internet as fashionistas aim to emulate the cozy style of the rom-com star in the 1989 Nora Ephron smash, “ When Harry Met Sally .” In that film, the funnyman, now aged 76, plays a political consultant who famously rocks a chunky white fisherman knit sweater.

When I opened my Instagram feed and saw a picture of Meg Ryan and Billy Crystal together again, my first reaction was "AH!" — especially since they're sitting on a couch, just like they do at the end of When Harry Met Sally.

It’s finally happening, we’re reuniting for something iconic. Can’t wait to show you all soon,” Ryan captioned a social media post.

Billy Crystal and Meg Ryan star in a brand-new Super Bowl advertisement that calls back to their iconic deli scene in "When Harry Met Sally."

Meg posted a photo of herself and Billy Crystal sitting on a vintage pink velvet couch, in a scene that looks straight out of the film. (Though, eagle-ey

"When Harry Met Sally..." co-stars Meg Ryan and Billy Crystal are teasing a big announcement. The stars of the beloved 1989 film hinted at a future collaboration in a joint Instagram post Wednesday. "It's finally happening, we're reuniting for something iconic," Ryan wrote in the caption of the post. "Can't wait to show you all soon 💙."

Meg Ryan and Billy Crystal have “When Harry Met Sally…” fans saying “Yes! Yes! Yes!” after teasing an upcoming reunion. In a photo posted on the main grid of their Instagram accounts on ...

"When Harry Met Sally" co-stars Meg Ryan and Billy Crystal have yet to release the details of their upcoming "iconic" collaboration.

The two actors revisit an iconic scene from their legendary romantic comedy in the commercial, a nostalgia play titled “When Sally Met Hellmann’s” (watch below). Ryan and Crystal play friends whose connection turns romantic in the 1989 movie written by Nora Ephron and directed by Rob Reiner.

Meg Ryan and Billy Crystal reunited for something iconic, sparking nostalgia with homage to When Harry Met Sally on Instagram.