Johannson, 32, was spotted getting close to the SNL comedian, 34, after she made a surprise appearance during the show’s cold open.
Following the show, the two shared a warm hug on stage during the customary goodnights, however it appears they got closer as they hit the after party.
While fans may be surprised of what could be a flourishing relationship, a source told E! that this isn’t exactly a one-time occurrence.
“It’s been going on for a bit,” the source said.
PEOPLE reached out to the reps of Johansson and Jost, however they did not respond to requests for comment.
Johansson split from her French journalist husband Romain Dauriac in January and officially filed for divorce in March.
The former couple share a 2-year-old daughter named Rose Dorothy.
Jost was previously linked to fellow comedian Rashida Jones.
This article originally appeared on WHO.
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