Brooklyn Beckham
"Great new year party with family and friends," David and Victora Beckham's son revealed on Instagram.
Neil Patrick Harris, David Burtka, Gideon and Harper
The former How I Met Your Mother star and 2015 Oscars host posted this sweet family of him and his partner with their twins on Twitter.
Miley Cyrus & Patrick Schwarzenegger
The Hollywood couple headed to Beacher's Madhouse inside the MGM Grand Hotel & Casino after watching Britney Spears perform live.
Mariah Carey
"Cooking for friends and family on New Year's Eve!!" the singer shared with her fans.
Pink
"Happy New Years!!!!!! ❤️, the Hart Family," the singer tweeted on New Year's Eve.
Miley Cyrus
Look who the "Party in the U.S.A. singer kissed at midnight? Patrick Schwarzenegger!
Josh Duhamel
"Here's to a kickass 2015!" the actor wrote while posing with his wife, Fergie.
Kristin Cavallari
"Happy new year," The Hills star shared while kissing husband Jay Cutler.
Hoda Kotb
"Here we come! 2015!" the Today show co-host shared before hosting the Rose Parade with Al Roker.
Kelly Rowland
Happy 2015 from the new mama!
Ashley Benson
"Such a good New Years," the Pretty Little Liars star shared after celebrating with Vanessa Hudgens.
Idina Menzel
Wearing Forevermark Diamond earrings, the singer performs her Frozen hit "Let It Go" at The Waterford Times Square New Year's Eve Ball in New York City.
Jenny McCarthy & Donnie Wahlberg
The New Year's Rockin' Eve co-host and her husband share a sweet moment as they count down to midnight to ring in 2015.
Jason Derulo
The singer performs at New Year's Rockin' Eve in Los Angeles.
Taylor Swift
The singer performed "Welcome to New York" and "Shake It Off" at New Year's Rockin' Eve in Times Square in New York City, where scores of people gathered to watch the Waterford Ball drop at midnight and a slew of performances from various artists.
Fergie & One Direction
The pop star and Niall Horan, Harry Styles, Zayn Malik, Liam Payne and Louis Tomlinson appear together on a New Year's Rockin' Eve stage in Los Angeles
David Hasselhoff
The Hoff got meta while performing at the Brandenburg Gate New Years Eve Party in Berlin, Germany.
Iggy Azalea & Nick Young
The "Fancy" rapper is seen with her Lakers player boyfriend at Drai's nightclub at The Cromwell in Las Vegas on New Year's Eve.
Joanna Krupa
The Real Housewives of MIami star celebrated New Year's Eve with husband Romain Zago at the club Mynt at Miami Beach.
Terry Crews
"Hosting @nbc Ball Drop with @CarsonDaly @KenMarino and @chrissyteigen LETS GO!!!!!!!!" the NFL champ revealed before midnight.
Fergie
The singer hosts New Year's Rockin' Eve from Los Angeles.
Justin Mikita & Jesse Tyler Ferguson
"HAPPY NEW YEAR!!!" the couple tweeted from London.
Selena Gomez
"Guess who came matching ??" the singer shared while posing with Gigi Hadid. "HAPPY NEW YEARS"
Taylor Swift
Despite the freezing temperatures, the singer removed her jacket during her performance.