They were pictured kissing on a New York City street in mid-November.

And on Thursday Scarlett Johansson and Colin Jost finally went public with their long-rumored romance as they attended the American Museum of Natural History Gala.

The actress, 33, and the SNL castmember, 35, posed together for photos inside the star-studded event.

It’s on: Scarlett Johansson and Colin Jost made their first public appearance as a couple as they attended the American Museum of Natural History Gala on Thursday night in New York

The pair had been rumored to be dating since May after they were seen kissing at the after-party for the Saturday Night Live season finale.

Now, two months after finalizing her divorce from the Frenchman, the blonde Avengers star appears to be confirming recent reports that she and Colin are getting serious.

So happy: The actress, 33, was dazzling in a strapless red gown with buttons down the front and side pockets at the society event

Stunner: Scarlett added a pair of shiny red sandal heels with a dark red pedicure and wore her blonde pixie cut in a tousled look

Official: The Hollywood star and the SNL writer and castmember, 35, have been rumored to be dating since May but this is the first time they’ve accompanied each other to a red carpet event

Moving on: The Avengers and Ghost In The Shell star finalized her divorce from second husband Romain Dauriac in September. They share a two-year-old daughter Rosie

Scarlett dazzled in a strapless red gown with buttons down the front and side pockets at the society event.

She added a pair of shiny red sandal heels and wore her blonde pixie cut in a tousled look.

Her brows were shaded in, her eyes were lined with a little black kohl and mascara and she sported glossy pink lip color.

Her new beau, who co-hosts SNL’s Weekend Update segment, was in black tie for the gala.

Getting serious: The couple celebrated Scarlett’s birthday with an intimate dinner in The Hamptons last week and have met each other’s families, according to People on Wednesday

No longer a secret: The couple also posed for pics with actress Gina Gershon

Scarlett and Colin celebrated the actress’s birthday last week with an intimate dinner together in The Hamptons, according to People magazine.

In a report published Wednesday, the publication claimed they have each met the other’s families and are ready to take their relationship to the next level.

‘They’re very much in love. It’s serious,’ a friend told People. ‘They’re both very respectful of each other’s careers and very supportive. They’re super cute together.’

Taking it to the next level: ‘They’re very much in love. It’s serious,’ a friend told People in a story published Wednesday