Ariana Grandeis recreating a classicSaturday Night Livesketch in her first late-night appearance since calling off her engagement toPete Davidson.

Afterattempting to visit herSNLstar exat 30 Rock followinghis troubling noteover the weekend, Grande, 25, was back at the New York City building, this time to chat withTonight Show Starring Jimmy Fallonhost andSNLalum,Jimmy Fallon.

During Tuesday’s appearance, the“Thank U, Next”singer joined Fallon and his former castmates Horatio Sanz, Chris Kattan and Tracy Morgan to perform an updated version of the popular “I Wish It Was Christmas Today” bit. Though Grande did not belt out any of the lyrics, she did join the men in the choreography as she placed her hands on Kattan’s shoulders and bopped up and down.

Fallon, Sanz, Kattan and Morgan’s latest rendition with Grande marked the foursome’s firstreunionsince they reunited onSNLwhen Fallon served as host in 2011, over 10 years after the song debuted during season 26 in 2000.

Also during Tuesday’sTonight Showappearance, Grande performed her latest single,“Imagine.”

The Tonight Show with Jimmy Fallon

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Davidson and Grandesplitin October. They firststarted datingin May 2017 andgot engagedthree weeks later.

The pop star’s cameo with Fallon comes three days after she tweeted thatshe was “downstairs”if ex Davidson needed her followinghis alarming Instagram postwhich stated: “I really don’t want to be on this earth anymore. I’m doing my best to stay here for you but I actually don’t know how much longer I can last. All I’ve ever tried to do was help people. just remember I told you so.”

PEOPLE confirmed that Grande did, in fact, head her ex-fiancé’s way at 30 Rock — but has yet to make contact. “Ariana and Pete haven’t really been in contact since the split, but this doesn’t mean that she doesn’t care about him,” a Grande source recently told PEOPLE. “She was frantic after she saw his Instagram message. She feels terrible that he isn’t feeling well.”

The Grammy-nominated star also tweeted at Davidson, writing, “I’m downstairs and I’m not going anywhere if you need anyone or anything. I know u have everyone u need and that’s not me, but I’m here too.”

Pete DavidsononSNL.SNL

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However, Grande’s outreach was for naught. “Pete didn’t want to see Ariana. As of Sunday, Ariana had not been able to reach Pete. He is ignoring her,” said the Grande source, who added that the singer’s concern for Davidson’s well-being is partly rooted in her grief over ex-boyfriendMac Miller, whodied at age 26 in Septemberof anaccidental overdoseof fentanyl, cocaine and alcohol.

RELATED VIDEO:Ariana GrandeReunites Original Mean Girls Actors for Star-Studded ‘Thank U, Next’ Video Teaser

Grande also let her ex-fiancé know that he can count on her and apologized for her message that was directed atKanye West, which had drawn Davidson’s ire earlier on Saturday. “Man I’m so sorry I told a dumb joke,” she said, referencing thejoke she maderegarding West’sfeud with Drake, in which West claimed shemade light of his mental health.

“I really didn’t mean any harm. All I want everyone to be healthy and happy. So desperately. Please. My god,” Grande continued.

Pete Davidson and Ariana Grande.Evan Agostini/Invision/AP/REX/Shutterstock

2018 MTV Video Music Awards - Arrivals, New York, USA - 20 Aug 2018

That same day, a New York Police Department public information officer told PEOPLE that authorities did a welfare check on Davidson.

The Tonight Show Starring Jimmy Fallonairs weeknights at 11:35/10:35c on NBC.

If you or someone you know is considering suicide, please contact the National Suicide Prevention Lifeline at 1-800-273-TALK (8255), text “help” to theCrisis Text Lineat 741-741 or go tosuicidepreventionlifeline.org.

source: people.com