Pete Davidson ‘laughing and smiling’ all night ahead of his 25th birthday

Are things looking up? Pete Davidson kicked off his 25th birthday by hanging out with his Saturday Night Live costars. The comedian was in good spirits despite his recent split from Ariana Grande, according to an onlooker.

“Pete Davidson was all smiles during the American Museum of Natural History Gala,” the eyewitness told Us Weekly exclusively of the Thursday, November 15, event in New York City. “He was seated next to his SNL castmates Kenan [Thompson], Colin [Jost], Kate [McKinnon], Leslie [Jones], Lorne [Michaels] and Cecily [Strong]. Pete was laughing and smiling the whole night. He looked really great and happy, and had a great time.”

The onlooker added: “He stuck out a little bit because of his casual sneakers, funky blazer and height, and a lot of fans came up to talk to him or take a picture. He was very kind to everyone.”

27 PHOTOS
Pete Davidson from 'Saturday Night Live' out and about
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Pete Davidson from 'Saturday Night Live' out and about
LATE NIGHT WITH SETH MEYERS -- Episode 740 -- Pictured: Comedian Pete Davidson on September 27, 2018 -- (Photo by: Lloyd Bishop/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE -- 'Seth Meyers' Episode 1749 -- Pictured: (l-r) Pete Davidson, Chris Redd during 'Trees' on Saturday, October 13, 2018 -- (Photo by: Steven Molina Contreras/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE -- 'Jonah Hill' Episode 1750 -- Pictured: (l-r) Musical Guest Maggie Rogers, Host Jonah Hill, and Pete Davidson during Promos on Saturday, November 3, 2018 -- (Photo by: Rosalind O'Connor/NBC/NBCU Photo Bank via Getty Images)
Pete Davidson attends the American Museum of Natural History's Museum Gala on Thursday, Nov. 17, 2016, in New York. (Photo by Andy Kropa/Invision/AP)
SATURDAY NIGHT LIVE -- 'Alec Baldwin' Episode 1718 -- Pictured: (l-r) Pete Davidson and host Alec Baldwin during the monologue on February 11, 2017 -- (Photo by: Will Heath/NBC/NBCU Photo Bank via Getty Images)
Photo by: ESBP/STAR MAX/IPx 2018 8/20/18 Pete Davidson and Ariana Grande at the 2018 MTV Video Music Awards at Radio City Music Hall in New York City.
BEVERLY HILLS, CA - FEBRUARY 26: (EXCLUSIVE ACCESS, SPECIAL RATES APPLY) (L-R) Actors Jeff Ross, David Spade, Pete Davidson, and Cazzie David attend the 2017 Vanity Fair Oscar Party hosted by Graydon Carter at Wallis Annenberg Center for the Performing Arts on February 26, 2017 in Beverly Hills, California. (Photo by Kevin Mazur/VF17/WireImage)
Photo by: gotpap/STAR MAX/IPx 2017 4/25/17 Pete Davidson is seen in Los Angeles, CA.
Miami Marlins center fielder Christian Yelich, right, and Saturday Night Live comedian Pete Davidson, wearing a Marlins uniform, catch fly balls in the outfield during batting practice before a baseball game against the New York Mets in New York, Tuesday, Sept. 15, 2015. (AP Photo/Kathy Willens)
SATURDAY NIGHT LIVE -- 'Kristen Stewart' Episode 1717 -- Pictured: (l-r) Kate McKinnon as Grandma, Pete Davidson as Grandpa Joe, host Kristen Stewart as Charlie, and Vanessa Bayer as Grandma during the 'Golden Ticket' sketch on February 4th, 2017 -- (Photo by: Will Heath/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE -- 'Aziz Ansari' Episode 1716 -- Pictured: (l-r) Melissa Villase�r and Pete Davidson during the 'Attorney Ad' sketch on January 21st, 2017 -- (Photo by: Will Heath/NBC/NBCU Photo Bank via Getty Images)
Former President Bill Clinton poses for a photo with Ariana Grande, center, and Pete Davidson, right, during the funeral service for Aretha Franklin at Greater Grace Temple, Friday, Aug. 31, 2018, in Detroit. Franklin died Aug. 16, 2018 of pancreatic cancer at the age of 76. (AP Photo/Paul Sancya)
CULVER CITY, CA - MARCH 14: Pete Davidson speaks onstage at the Comedy Central Roast of Justin Bieber at Sony Pictures Studios on March 14, 2015 in Culver City, California. The show will premiere on Monday, March 30 at 10:00pm ET/PT. Credit: PGFM/MediaPunch /IPX
SATURDAY NIGHT LIVE -- 'Kristen Stewart' Episode 1717 -- Pictured: Pete Davidson during the 'Meet Cute' sketch on January 31, 2017 -- (Photo by: Will Heath/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE -- 'Kristen Wiig' Episode 1711 -- Pictured: (l-r) Pete Davidson and Colin Jost during Weekend Update on November 19, 2016 -- (Photo by: Will Heath/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - NOVEMBER 17: Pete Davidson attends the 2016 American Museum of Natural History Museum Gala at the American Museum of Natural History on November 17, 2016 in New York City. (Photo by D Dipasupil/FilmMagic)
LATE NIGHT WITH SETH MEYERS -- Episode 438 -- Pictured: (l-r) Comedian Pete Davidson during an interview with host Seth Meyers on October 25, 2016 -- (Photo by: Lloyd Bishop/NBC/NBCU Photo Bank via Getty Images)
WANTAGH, NY - SEPTEMBER 10: Comedian Pete Davidson performs onstage during Oddball Comedy Festival at Nikon at Jones Beach Theater on September 10, 2016 in Wantagh, New York. (Photo by Kevin Mazur/Getty Images)
LOS ANGELES, CA - AUGUST 27: Actor Pete Davidson and Cazzie David attend the Comedy Central Roast of Rob Lowe at Sony Studios on August 27, 2016 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
NEW YORK, NY - MAY 24: Pete Davidson attends The New York Police & Fire Widows' & Children's Benefit Fund 4th Annual Kick Off To Summer Benefit at The Bowery Hotel on May 24, 2016 in New York City. (Photo by Donna Ward/Getty Images)
NEW YORK, NEW YORK - APRIL 04: Johnny Damon and Pete Davidson join Pepsi to celebrate Yankees opening day, helping fans earn their pinstripes on April 4, 2016 in New York City. (Photo by Bryan Bedder/Getty Images for Pepsi)
Toronto, Canada - September 17: Pete Davidson at the Samsung Hope for Children Gala 2015 at Hammerstein Ballroom on September 17, 2015 in New York City Credit: Diego Corredor/MediaPunch /IPX
Pete Davidson, left, and Cazzie David arrive at the MTV Video Music Awards at The Forum on Sunday, Aug. 27, 2017, in Inglewood, Calif. (Photo by Jordan Strauss/Invision/AP)
Pete Davidson arrives at the 69th Primetime Emmy Awards on Sunday, Sept. 17, 2017, at the Microsoft Theater in Los Angeles. (Photo by Eric Jamison/Invision for the Television Academy/AP Images)
Pete Davidson, left, and Tiffany Haddish present the award for best hip hop video at the MTV Video Music Awards at The Forum on Sunday, Aug. 27, 2017, in Inglewood, Calif. (Photo by Matt Sayles/Invision/AP)
Pete Davidson, from left, Kyle Mooney, Aidy Bryant, Mikey Day, and Beck Bennett arrive at the 69th Primetime Emmy Awards on Sunday, Sept. 17, 2017, at the Microsoft Theater in Los Angeles. (Photo by Richard Shotwell/Invision/AP)
Pete Davidson attends the Governors Ball for the 67th Primetime Emmy Awards at the Los Angeles Convention Center on Sunday, Sept. 20, 2015, in Los Angeles. (Photo by John Salangsang/Invision for the Television Academy/AP Images)
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The eyewitness also noted that Davidson “was drinking water all night” and “left the gala with all his SNL costars.”

The black-tie soiree occurred the evening before the Set It Up actor’s 25th birthday on Friday, November 16.

Grande, 25, celebrated her own big day in June with her then-fiancé by hanging out at a private karaoke venue in Manhattan.

“Pete was extremely sweet with Ariana, very protective,” an eyewitness told Us at the time. “He sat with Ariana and they were snuggling.”

Davidson also gushed over the “Breathin’” singer on Instagram. “Happy birthday to the most precious angel on earth! you’re my favorite person that ever existed i love you sm,” he wrote at the time. In a second post, he added: “One more for the queen. Words can’t express what a real f–king treasure this one is.”

20 PHOTOS
Ariana Grande and Pete Davidson together
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Ariana Grande and Pete Davidson together
LOS ANGELES, CA - AUGUST 25: Pete Davidson and Ariana Grande onstage at American Express and Ariana Grande present 'The Sweetener Sessions' at Ace Hotel on August 25, 2018 in Los Angeles, California. (Photo by Kevin Mazur/Getty Images for American Express)
i thought u into my life 💭 woah ! look at my mind 💡⚡️🙈
the chamber of secrets has been opened ...
feel the love
i am but a pete davidson update acc stay tuned for more (pete follows / comments sumtimes)
NEW YORK, NY - JUNE 25: Ariana Grande and Pete Davidson seen out and about in Manhattan on June 25, 2018 in New York City. (Photo by Robert Kamau/GC Images)
NEW YORK, NY - JUNE 25: Ariana Grande and Pete Davidson out and about on June 25, 2018 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - JUNE 20: Ariana Grande and Pete Davidson on June 20, 2018 in New York City. (Photo by Robert Kamau/GC Images)
last night photos @kevinmazur
u know what you’d dream it be like ? it’s better than that
FOREVER LIT @PETEDAVIDSON ☁️☁️☁️☁️☁️☁️☁️☁️☁️☁️
hello i’m crying
NEW YORK, NY - AUGUST 20: Pete Davidson and Ariana Grande attends 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 - JUNE 29: Pete Davidson and Ariana Grande seen in Manhattan on June 29, 2018 in New York City. (Photo by Robert Kamau/GC Images)
NEW YORK, NY - AUGUST 20: Pete Davidson (C) and Ariana Grande (R) attend the 2018 MTV Video Music Awards at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Jeff Kravitz/FilmMagic)
LOS ANGELES, CA - AUGUST 25: Pete Davidson and Ariana Grande onstage at American Express and Ariana Grande present 'The Sweetener Sessions' at Ace Hotel on August 25, 2018 in Los Angeles, California. (Photo by Kevin Mazur/Getty Images for American Express)
Former US President Bill Clinton takes a picture with singer Ariana Grande and her fiancee Pete Davidson at Aretha Franklin's funeral at Greater Grace Temple on August 31, 2018 in Detroit, Michigan. (Photo by Angela Weiss / AFP) (Photo credit should read ANGELA WEISS/AFP/Getty Images)
Singer Ariana Grande and her fiancee Pete Davidson attend Aretha Franklin's funeral at Greater Grace Temple on August 31, 2018 in Detroit, Michigan. (Photo by Angela Weiss / AFP) (Photo credit should read ANGELA WEISS/AFP/Getty Images)
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Us confirmed on October 14 that Grande and the Saturday Night Live star had called off their engagement after four months. “They realized it happened too quick and too early,” a source told Us at the time.

After the pop star sang that she was “so thankful” for Davidson in her song “Thank U, Next,” he addressed the split on Saturday Night Live. “I know some of you are curious about the breakup, but the truth is, it’s nobody’s business, and sometimes things just don’t work out, and that’s OK,” he said during the November 3 episode. “She’s a wonderful, strong person, and I genuinely wish her all the happiness in the world.”

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