Cheers! Mimi braved the cold weather to perform for Dick Clark's New Year's Rockin' Eve in New York.
The singer and her son get into the New Year spirit with some festive hats and glasses.
New Year's kiss! The cute couple rings in 2018 with an onstage smooch.
On Christmas Eve, the actress posted on Instagram sweet photo of all three of her children, including this one of her with her mini-me daughter, Ava Phillippe.
"Merry Christmas Eve from two people who go to the Ballet in Black Tie Attire and who go to the mall in ridiculously cheesy Xmas sweaters and hats on the same day. I ❤️ you @wellsadams," the actress wrote on Instagram.
Merry Christmas from one of the cutest celeb couples!
Christmas colors! The comedian is accompanied by the Rockettes dressed in red and green at The Tonight Show with Jimmy Fallon.
"Sending love and kisses this #christmaseve," the Buffy the Vampire Slayer alum wrote on Instagram on Christmas Eve, alongside a video of her and her husband.
"Not the gumdrop buttons!" The style icon and Reebok ambassador hosts an intimate holiday celebration while munching on a gingerbread cookie in New York City.
Ryan Phillippe shared this post-Christmas shirtless selfie on Instagram with the caption, "movin snowflakes by the O-Z."
"From my dramatic family to yours wishing you the most dramatic Christmas... ever," The Bachelor host wrote on Instagram. "We'll see you in one week for the best present of all."
"MERRY CHRISTMAS!!!" the actor wrote on Instagram while wearing a festive onesie from Jammin' Jammies. "#lilblackelf! #blanta #godblesseveryone #bigasschristmastree."
JoJo Fletcher and Jordan Rodgers celebrated the holidays with his parents Ed and Darla and Jordan's brother Luke Rodgers.
Tori Spelling posted this pic with her family in matching Little Trend Setter pajamas. "One of my fave holiday traditions is wearing matching family PJ's on Christmas Day. I think this year's are my fave so far. And, it's Baby Beau's 1st Christmas," she captioned the Instagram post.
Jessica Simpson posted this sweet pic of her daughter Maxwell Johnson with Maxwell's cousin and Ashlee Simpson's son, Bronx Wentz, on Instagram.
The Today show host and her family celebrate their first Christmas with baby girl Haley Joy.
"No merrier place to spend Christmas than with the most important people in my life! From our family to yours, Merry Christmas!" Nick captioned a series of Instagram pics with his family.
"Merry Christmas from our family to yours!!" Kayla Rae Reid wrote on Instagram while wearing Tipsy Elves. "The two loves of my life. the best gift of all. #family #merrychristmas."
Cookies and cocktails! "Getting in the holiday spirit with @StellaArtois and one of my favorite traditions – decorating cookies!" the brunette beauty posted on Instagram. "#FavoriteTimeofYear #HostOnetoRemember #ad."
Do-gooder! The famous singer gets children in the holiday spirit during her visit at the Children's Healthcare of Atlanta at Egleston in Georgia.
"These nuts are crackers...." the Real Housewives of New York City star shared on Instagram while enjoying the holidays with her co-stars.
Let it snow! The singer looks a lot like Elsa on The Tonight Show Starring Jimmy Fallon.
The Tonight Show looks merry and bright as the group belts out "Baby, Please Come Home."
The Pitch Perfect star joins Captain Morgan and the New York City Holiday Choristers for some Christmas singing in New York City.