Pete Davidson 'embarrassed' after Ariana Grande split but trying to move on (Exclusive)

Pete Davidson is doing his best to move on with his life following his breakup with former fiancee Ariana Grande.

A source tells ET that the Saturday Night Live star "has been doing OK, and spending a lot of time with his mom since he and Ariana split."

The Dangerous Woman songstress called it quits with Davidson last month, thus ending their whirlwind romance which began in May, and saw the pair get engaged after less than a month of dating.

"His friends think he is embarrassed by the breakup and that he has to overcompensate by making jokes about their relationship, because, days before they split, he was saying they would never break up,” the source says.

While Davidson hasn't opened up much publically about the painful split, he did poke fun at his failed engagement in a promo for Saturday Night Live that was released on Thursday.

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MTV VMAs 2018: Ariana Grande and Pete Davidson make red carpet debut
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MTV VMAs 2018: Ariana Grande and Pete Davidson make red carpet debut
NEW YORK, NY - AUGUST 20: Pete Davison and Ariana Grande attend the 2018 MTV Video Music Awards at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Nicholas Hunt/Getty Images for MTV)
NEW YORK, NY - AUGUST 20: Pete Davison and Ariana Grande attend the 2018 MTV Video Music Awards at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Nicholas Hunt/Getty Images for MTV)
NEW YORK, NY - AUGUST 20: Pete Davidson and Ariana Grande attend the 2018 MTV Video Music Awards at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Jamie McCarthy/Getty Images)
NEW YORK, NY - AUGUST 20: Pete Davison and Ariana Grande attend the 2018 MTV Video Music Awards at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Nicholas Hunt/Getty Images for MTV)
NEW YORK, NY - AUGUST 20: Pete Davison and Ariana Grande attend the 2018 MTV Video Music Awards at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Nicholas Hunt/Getty Images for MTV)
NEW YORK, NY - AUGUST 20: Pete Davison and Ariana Grande attend the 2018 MTV Video Music Awards at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Nicholas Hunt/Getty Images for MTV)
NEW YORK, NY - AUGUST 20: Pete Davidson and Ariana Grande attend the 2018 MTV Video Music Awards at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Jamie McCarthy/Getty Images)
NEW YORK, NY - AUGUST 20: Pete Davison and Ariana Grande attend the 2018 MTV Video Music Awards at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Kevin Mazur/WireImage)
NEW YORK, NY - AUGUST 20: Pete Davison and Ariana Grande attend the 2018 MTV Video Music Awards at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Kevin Mazur/WireImage)
NEW YORK, NY - AUGUST 20: Pete Davison and Ariana Grande attend the 2018 MTV Video Music Awards at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Kevin Mazur/WireImage)
NEW YORK, NY - AUGUST 20: Pete Davidson and Ariana Grande attend the 2018 MTV Video Music Awards at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Paul Zimmerman/WireImage)
NEW YORK, NY - AUGUST 20: Pete Davidson and Ariana Grande attend the 2018 MTV Video Music Awards at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Paul Zimmerman/WireImage)
NEW YORK, NY - AUGUST 20: Pete Davidson and Ariana Grande attend the 2018 MTV Video Music Awards at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Mike Coppola/Getty Images for MTV)
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In the teaser, Davidson appears alongside upcoming host Jonah Hill, as well as upcoming musical guest Maggie Rogers, to whom Davidson introduces himself and then immediately asks if she wants to get married.

Shortly after the promo dropped, Grande took to Twitter to post a number of since-deleted tweets seemingly slamming her ex for making the joke.

"For somebody who claims to hate relevancy u sure love clinging to it huh," she wrote in one tweet, adding in another, "Thank u, next." 

The video comes just two days after fans noticed that Grande seemingly covered up another of her tattoos dedicated to her and Davidson's relationship. 

She first concealed one of her multiple tattoos dedicated to her ex-fiance when appearing in pre-taped performance on NBC's A Very Wicked Halloween musical TV special, where she covered up her ink with a band-aid.

RELATED: Shortest celebrity marriages:

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Shortest Celebrity Marriages
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Shortest Celebrity Marriages
Mario Lopez and Ali Landry dated for six years before marrying in 2004. But it all fell apart within 18 days -- Landry found out Lopez had cheated.
The first of Drew Barrymore's three husbands, she was only 19 when she wed Jeremy Thomas. She'd only known him for six weeks when they tied the knot in 1994. Unsurprisingly, they called it quits after 39 days.
Britney Spears has long put this behind her, but the world still remembers her infamous 55-hour marriage to childhood friend Jason Alexander. Hey, things happen.
It was definitely a wild night in Vegas, and it ended with Carmen Electra marrying quirky basketball player Dennis Rodman at 7 in the morning. They had it annulled nine days later.
Drew Barrymore and Tom Green made an odd pairing, but they stuck it out for a few months. They wed in summer of 2001 and had split by the winter holidays.
A few years after Rick Salomon made his screen debut (?) alongside Paris Hilton in her infamous sex tape, Pamela Anderson snatched him up. They married in 2007, and Pam filed for divorce 60 days later. (They remarried and re-divorced in 2014.)
What it lacked in duration, it owned in overexposure. The much-hyped nuptials of Kim Kardashian and Kris Humphries took place in 2011 and cost an estimated $10 million. The marriage formally ended 72 days later.
Nicky Hilton and Todd Meister opted for a quickie Vegas wedding in August 2004. A promising start, but ultimately the marriage collapsed that November.
Yes, this is an actual wedding photo. Pamela Anderson and Kid Rock made it official with a ceremony on a yacht. Looks like a good time, but they'd had enough 122 days later.
In this photo, she's still Jenny from the Block! Jennifer Lopez married pro dancer Cris Judd in September 2001, but by June 2002, he'd danced right on out of her life.
Long story short, Fred Armisen and Elisabeth Moss were married for 8 months and it was really, really bad. Moss has called the experience "extremely traumatic and awful and horrible."
They made for a very cute teen-dream couple, but real life was more like a nightmare. They divorced after five months, and Bush cited "fraud" as her grounds, which is definitely concerning.
Bradley Cooper and Jennifer Esposito were husband and wife for a lovely four months until parting ways.
Nicolas Cage and Lisa Marie Presley wed in a beautiful Hawaii ceremony, but once they got back to reality, things weren't so picture-perfect. They divorced 107 days later.
Luann de Lesseps and Tom D' Agostino announced their divorce just seven months after they tied the knot in December 2016. Rumors of cheating and even some physical abuse plagued their short-lived marriage up until the August 2017 announcement.
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RELATED CONTENT:

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