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.

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."

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

"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 💙."

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

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.

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 ...

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

Directed by Rob Reiner, When Harry Met Sally (WHMS) was released in 1989 and soon became one of the most beloved romantic comedies of all time – thanks to the stellar script by Norah Ephron and swoon-worthy acting from Meg and Bill.

(WJW) – Hollywood legends Meg Ryan and Billy Crystal have fans buzzing after sharing a cryptic Instagram post. The duo, known for their iconic roles in the 1989 rom-com When Harry Met Sally ...