The stars of the 1989 romantic comedy made their return to the legendary Katz's Deli in New York City to star in an epic ad for Hellman's mayonnaise, the brand released today on YouTube. Sitting across from each other at a deli table, the stars replicate the set-up for what is now the iconic "I'll have what she's having" scene.

Hellmann's wanted to do something bigger and bolder to celebrate its fifth consecutive year running a Super Bowl ad. So, the mayonnaise brand is tapping into the nostalgia around the 1989 film When Harry Met Sally.

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.

At the end of the commercial, "Anyone but you" star Sydney Sweeney delivers the film's iconic line after Meg Ryan gives another table-rattling performance.

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 Ryan and Billy Crystal recreated a classic scene from "When Harry Met Sally" for a new Super Bowl ad, with a special appearance by Sydney Sweeney.

Billy Crystal and Meg Ryan reunited in partnership with Hellmann's in the very same booth where they filmed the iconic 'When Harry Met Sally' scene.

The commercial, which also features a cameo appearance from Sydney Sweeney, was shot at the same table in Katz’s Deli where the classic 1989 rom-com was filmed.

It's a 'When Harry Met Sally' reunion! Billy Crystal and Meg Ryan joined forces for an upcoming Super Bowl spot for Hellmann's returning to Katz's Deli on New York's Lower East Side for the first time since their 1989 romantic comedy 'When Harry Met Sally' was released.