Joe Manganiello
"HAPPY NEW YEAR 2020!!!" the Magic Mike star wrote on Instagram when celebrating with Sofia Vergara.
Miley Cyrus
"Happy 2020," the "We Can't Stop" singer wrote after celebrating with a cake.
Scott Disick
"Happy new year from me and my best friend," the Keeping Up With the Kardashians star shared online when hanging with Mason Disick.
Jessie James Decker
"Happy New Year to the love of my life," the country singer wrote while celebrating in Times Square with Eric Decker.
Adam Levine & Behati Prinsloo
"Supooo 2020," the supermodel shared on Instagram before celebrating the start of 2020 at LIGHT Nightclub inside the Mandalay Bay Resort and Casino.
Ariana Madix & Tom Sandoval
"happy new year from me and my dumpling," the Vanderpump Rules star wrote online.
Katy Perry & Orlando Bloom
"When you're in bed before midnight is when you know you're starting the new year right #2020," the American Idol judge shared with her followers.
Reese Witherspoon
"Happy New Year ! Can't wait to see what 2020 will bring!" the actress shared while celebrating with her son Deacon Phillippe.
Savannah Chrisley & Nic Kerdiles
"Ringing in the New Year with these incredible people was one amazing experience!" Nick shared on Instagram. "Love you guys! @savannahchrisley @marine_kerdiles @max_corbich #2020."
Jessica Simpson
"Walkin' into the new year wearin' our fav color #MAXIDREW #BIRDIEMAE," the proud mom shared on Instagram when using the Thule Urban Glide 2 stroller.
Christie Brinkley
"Thank you @donnakaranthewoman for all the years of Happy New Year memories," the supermodel wrote while hanging with Nina Agdal and Sailor Brinkley. "You literally hang the moon in the sky and we are all so grateful to bid farewell and welcome the New Year in such a joyous setting! Happy New Year!!"
Wells Adams
"New year same me," the Bachelor in Paradise star joked on Instagram when wearing some LOL-worthy boxers.
Bethenny Frankel
"I have #2020 vision...and I only have eyes for you @pberno," the former Real Housewives of New York City star shared.
Summer House Cast
Lindsay Hubbard, Carl Radke, Amanda Batula, Kyle Cooke and Danielle Olivera attend the fourth annual Matthew Gavin's Marquis New Year's Eve party.
Melissa Gorga
The Real Housewives of New Jersey star and her family ring in 2020 at the five star, exclusive The Grand at Moon Palace Cancun resort.
Joe Jonas & Sophie Turner
"Happy New Year's everyone! The best year of my life. So far. 2020 vision all they way!" the singer wrote on Instagram.
Drew Barrymore
"2020 here we come! Happy New Years EVERYONE," the actress shared on New Year's Eve.
Meghan Markle, Prince Harry & Archie Harrison
"Wishing you all a very Happy New Year and thanking you for your continued support," the royal couple wrote in a heartwarming Instagram post that featured a video collage of their 2019. "We've loved meeting so many of you from around the world and can't wait to meet many more of you next year. We hope 2020 brings each of you health and continued happiness."
Eva Longoria
The Desperate Housewives star takes in the last sunset of 2019 in Cabo with her baby boy.
Jessica Simpson
As the A-lister described her past year, "Birdie, family, weight gain, weight loss, boobs, and no make up."
Courteney Cox & Johnny McDaid
"I can see clearly now... 2020!Happy New Year from the UK," the Friends star shared on Instagram.
Chrissy Teigen & John Legend
Another day, another adorable family photo opp on their New Year's Eve family vacation!
Hilaria Baldwin & Alec Baldwin
"This year really did a number on me...but nothing that could ever make me lose sight of how fortunate I am. I grew a lot in 2019 and I have never been more excited for a New Year to come. 2020, I welcome you with so much hope and such a desire to collaborate with you to make life happy and beautiful. Happy New Year's Eve to you all," the star shared alongside a photo next to her longtime husband.
Christina Anstead
"Happy New Year from our family to yours!!!" the Flip or Flop star wrote in honor of the holiday. "What are your 2020 goals? Mine are traveling with the fam, exercising (I know basic - but I really need to lol) and launching wellness remodel and a furniture line. Going to be a busy / fun year!!"