Mr. and Mrs. Brooks Laich threw a party with friends (including parents-to-be Aaron and Lauren Paul) and documented the affair on Instagram.
Before her return to the big Times Square stage, the singer snuck in some cuddles with twins Monroe and Moroccan.
Wearing an appropriately sparkly dress, the former reality star got things going with a bottle of bubbly.
With sister Khloé in Ohio for the holiday, Kourtney toasted in L.A. with a noisemaker, party glasses and champagne.
KIM KARDASHIAN WEST
Husband Kanye West was among the big group of revelers joining the reality star to ring in 2018.
DIDDY & DJ KHALED
The rapper and mogul started off the new year with a bang as he hosted CÎROC The New Year powered by DeLeón Tequila at his estate in Miami alongside DJ Khaled and Vice President of Brand Development for Combs Enterprises Kenny Burns. The lavish outdoor bash was also attended by Diddy’s girlfriend Cassie, rapper G-Eazy, singer Halsey, Future, Travis Scott, Teyana Taylor, Gabby Sidibe and Diddy’s son Justin Dior Combs, among others.
After revealing that she and husband Mike Caussin renewed their vows earlier this month, the country singer celebrated a new year right beside him.
Usher got up close and personal with The Chainsmokers during a set in Las Vegas.
HALSEY & G-EAZY
On stage at E11EVEN Miami, the singers encouraged the crowd to start kissing — then did so themselves.
The starlet toasted 2018 at a dinner with sister Stella and night out with boyfriend Austin Butler.
KENDALL JENNER & BELLA HADID
The supermodels and close friends celebrated the new year together in chic black-and-white ensembles. The two posed for a photo in front of two sleek white cars that Jenner later posted to her Instagram with the caption “new year, same us.”
The singer braved the freezing cold temperatures in New York City to perform on ABC’s Dick Clark’s New Year’s Rockin’ Eve with Ryan Seacrest.
The Modern Family star and new boyfriend Wells Adams shared several sweet photos and videos of their night out on her Instagram Stories.
Enjoying warmer temps, the model mama and her brood decked themselves out in hats, tiaras and noisemakers.
JC CHASEZ & LANCE BASS
It was a mini-‘Nsync reunion for the guys, who partied at the 1 Hotel South Beach Rooftop with DJ Bedouin.
Urban hit the stage in chilly Nashville, bringing Maren Morris out to join him during the Jack Daniel’s Music City Midnight: New Year’s Eve in Nashville event.
The actress and husband Michael Polish seemingly had a cozy New Year’s Eve at home — even baking a deep-dish pizza.
The Fuller House star and expectant fiancée Caitlin McHugh celebrated their last New Year’s Eve pre-parenthood with French fries.
Though he was with Selena Gomez in Cabo San Lucas, Mexico, Bieber gave no hints to his whereabouts (or on-again flame) in his NYE Instagram Stories.
In an epic Instagram Story, Stefani documented her entire day, which included time with sons Kingston, Zuma and Apollo and boyfriend Blake Shelton.
Jane the Virgin‘s leading lady and boyfriend Joe LoCicero donned pajamas for a rockin’ game night party.
GIULIANA & BILL RANCIC
The couple left son Duke at home for a parents’ night out while on vacation.
The actress documented her lit night out in Ohio with husband Dwyane Wade.
On vacation with his sons, Beckham share silly shots with eldest son Brooklyn on his Instagram Stories.
Singer Simpson gave daughter Jagger a smooch as proud papa Evan Ross looked on.
The supermodel and husband Rande Gerber — perhaps sipping some Casamigos? — had their own cool setup to celebrate 2018.
The Real Housewives of New Jersey star and her “Giudice girls” headed to Cabo San Lucas, Mexico, for the holiday.
Kimmel and his family — Jane, Billy and wife Molly — spent New Year’s how most people with little kids do: in bed!
The Superstore actress and husband Ryan Piers Williams welcomed 2018 with some big news: they’re expecting their first child together this year!
Menounos surprised viewers on Fox’s New Year’s Eve telecast with her wedding to longtime boyfriend Keven Undergaro, which Steve Harvey officiated live from N.Y.C.’s Times Square.
On vacation with her family, including kids Theodore and Vivienne, the actress said “peace out” to 2017.
Spears said goodbye to the year and goodbye to her long-running residency at the Planet Hollywood in Las Vegas with one final show.