Apparently Sally really likes mayonnaise.The recently teased reunion ofWhen Harry Met Sallystars Meg Ryan and Billy Crystal is indeed a Super Bowl ad. When the pair began teasing their new project together, I speculated it was going to be in a Super Bowl commercial, maybe for something like financial planning services.Close, but no cigar. It turns out Crystal and Ryan returned to thelocation ofWhen Harry Met Sallysmost famous scene Katzs Deli in New York City in a spot for Hellmanns mayonnaise. The idea being that a Katzs pastrami sandwich is good, but a sandwich with mayo is even better. (Debatable!)You can watch the 60-second version of the commercial below:READ MORE: The Best Super Bowl Ads EverI am sure people are going to want to compare the new ad to the original scene, so here that is. (If youre watching at work you, uh, might want to turn the volume down or put on some headphones.)These sorts of kitschy reunions have become a very popular subgenre of Super Bowl ads in recent years. You can always count on one or two of them. A couple of years ago, for example, Bryan Cranston and Aaron Paul reprised their roles fromBreaking Bad in a spot for of all things PopCorners chips. (They dont always make sense.)Will Meg Ryan and Billy Crystal be the only stars of a nostalgic favorite to reunite in a commercial, or will there be more? Well find outwhen this years Super Bowl airs live on Fox on Sunday, February 9. The game will feature the defending champion Kansas City Chiefs squaring off with the Philadelphia Eagles.Get our free mobile appThe Dad Movie Canon: 25 Films All Dads LoveNo dad can resist these 25 movie classics.Filed Under: Billy Crystal, Meg Ryan, Super Bowl, When Harry Met SallyCategories: Movie News