"It's like the biggest open secret," a senior TV insider said of Meryl Streep and Martin Short's alleged romance.

Streep and Short continue to deny that they're romantically involved in real life, but their characters' chemistry onscreen is undeniable

Of course, rumors about pairs like Taylor Swift and Travis Kelce or Kylie Jenner and Timothée Chalamet or even Selena Gomez and Benny Blanco are expected to be constant. However, there’s been a surprising amount of chatter around the possibility that Martin Short and Meryl Streep could be dating.

Meryl Streep “had tears in her eyes” while talking with Only Murders in the Building cocreator John Hoffman about her onscreen romance with Martin Short. “It is one of the most unexpected turns,” Hoffman told Decider of Streep’s character,

Amid the speculation that seems to have social media in a stronghold, series co-creator and showrunner John Hoffman has shed light on the two stars’ working relationship ahead of the Season 4 finale. While Hoffman did not confirm any rumors, he did share that the famous pair get along famously and have “magic” together.

Steve Martin poked fun at the rumors that his “Only Murders in the Building” co-stars Martin Short and Meryl Streep are dating on Instagram Saturday. The actor, 79, posted a photo of the trio from a Glamour article, with a giant red X over Martin’s face. Martin did not add a caption to his post, letting the picture speak for itself.

Steve Martin posted an edited photo of himself, Martin Short and Meryl Streep on his Instagram on Oct. 18. A Martin fan account later shared the snap, with fans speculating as to whether the actor was 'confirming' a relationship between Short and Streep.