Social Snaps (Week of Nov. 26, 2017)

It was quite a happy birthday for the Big Bang Theory star! “Still crying,” she captioned a video of herself showing off a sparkler on that finger. “Every part of this night has been perfection just like you @mrtankcook,” she wrote to her new fiancé, Karl Cook, an equestrian. “I love you forever!” In the video, which Cook also posted, you can hear him asking, “What’s on your finger, honey?” She replies, through tears, “We’re engaged!” (Photo: Kaley Cuoco via Instagram)

“Happy birthday to my wonderful wife @chrissyteigen!” the singer wished the model, who turned 32 on Thursday. “I’m so happy you were born! You bring so much light to my life and to the lives of everyone who knows you. I love you so much!” Of course, Teigen had a joke back, writing, “How about a hi-res,” referring to the quality of the image. (Photo: John Legend via Instagram)

The This is Us star got into the Christmas spirit on Thursday, posting this throwback of herself in a Santa hat. “If you’re wondering why I had a holiday-themed headshot,” she wrote, “I honestly don’t have an answer for you.” (Photo: Mandy Moore via Instagram)

Rock on! “Dream come true my kids getting to meet SLASH,” Aquaman captioned this shot with his son, Nakoa-Wolf, 8, and daughter Lola, 10, posing with the Guns N’ Roses guitarist. The group posed for a photo backstage at the band’s Los Angeles Forum show on Thursday night. “Mahalo braddah epic night,” he added. “Big love.” (Photo: Jason Momoa via Instagram)

A dedicated Game of Thrones fan, the soccer star wore his Jon Snow Christmas sweater with pride on Friday. “It’s official it’s December,” he wrote. “Let it snow Let it snow Let it snow.” (Photo: David Beckham via Instagram)

Once again, the reality star showed off all of her glittery gifts in this behind-the-scenes shot for her new KKW Beauty collection, Ultralight Beams. Is there a better way to make a new line of highlighters and glosses known than to get naked and roll yourself in gold dust? Not in Kim’s world. (Photo: Kim Kardashian via Instagram)

“Call me Princess Peach,” Mama Monster captioned this cheeky shot on the beach in Miami. The singer is in town for her Joanne world tour. (Photo: Lady Gaga via Instagram)

“No filter could help this @theoliverhudson dad bod,” the actress teased her brother in this pre-workout snap. “Getting our Wednesday morning going,” she added as the siblings posed with their very ripped trainer. (Photo: Kate Hudson via Instagram)

“A photo of me taking a photo of a photo of me,” the star of The Greatest Showman wrote, snapping a shot of a billboard featuring her high-flying trapeze artist character from the new film. (Photo: Zendaya via Instagram)

The Million Dollar Listing New York star and husband Derek Kaplan shared this life-changing moment: holding their newborn twins in their arms. “Happiest moment of my life,” the real estate mogul gushed. “Welcome Fredrick and Milla to the world.” (Photo: Fredrick Eklund via Instagram)

“First pigtails!!” the pregnant model captioned this adorable shot of her baby girl. Between that hair, that face, and those feet, we’re not sure it can get any cuter! (Photo: Chrissy Teigen via Instagram)

Like father, like son! The proud mom and wife made sure to document her boy’s first NFL game with his former pro football player dad, Eric Johnson. Could Jess have another future player on her hands? Quite possibly. Just last week, the singer posted a sweet video of Ace Knute, 4, trying on his dad’s old football helmet during a show-and-tell presentation at school. (Photo: Jessica Simpson via Instagram)

“I haven’t worn a backpack since middle school,” the new mom wrote, as she showed off a cuddled-up Strummer Newcomb, just 5 weeks old, in a baby carrier. “Now I have a front pack,” she mused. (Photo: Julia Stiles via Instagram)

There’s a new American Idol in town! “THANK YOU SO MUCH @gal_gadot for the awesome presents for River Rose!!” the “Love So Soft” singer wrote to the Wonder Woman star, as her daughter gripped her new gifts tightly. “She LOVES them! You’ve made a little girl very happy,” Clarkson added, making sure she included “#galgadotforthewin.” (Photo: Kelly Clarkson via Instagram)

The engaged actress showed just how well her family unit is working these days, as she posted this shot with her husband-to-be, Brad Falchuk, right, and her ex-husband and father of her two children, Chris Martin, smiling and sharing a meal together. “Sunday brunch #modernfamily,” she captioned the pic. Modern family, indeed. (Photo: Gwyneth Paltrow via Instagram)

The actress-model put her pert posterior on display once again, as she wrapped up her Thanksgiving vacation in Nicaragua. (Photo: Emily Ratajkowski via Instagram)

Rose Byrne’s main men shared a smooch in this sweet pic. The Mr. Robot star affectionately tags all photos of Rocco, 1, with “#TheRock.” (Photo: Bobby Cannavale via Instagram)

Baby face! The star of The Shooter uncovered this gem on Monday — his first headshot. “U have no idea what’s in store, turn back now, you sweet thing,” he warned his younger self in the caption. (Photo: Ryan Phillippe via Instagram)

Dwight and Angela forever! “Looky who I found backstage at @teamcoco,” The Office star captioned this shot with her former onscreen love, Rainn Wilson. “We are on tonight on @tbsnetwork.” (Photo: Angela Kinsey via Instagram)

The Ride Along star debuted new son Kenzo, born to him and wife Eniko Parrish, on Nov. 21, in a sweet nursery snapshot. “Feeling beyond blessed on this beautiful sunday morning….Morning vibes with my little man. #Harts #BabyZo #LiveLoveLaugh.” (Photo: Kevin Hart via Instagram)

While Witherspoon’s daughter, Ava Phillippe, is photographed alongside her all the time, photos of her and son Tennessee Toth, 5, are a little harder to come by. She posted this one from Paris, captioning it, “French fries. You know…Literally.” (Photo: Reese Witherspoon via Instagram)

J.Lo closed out her holiday the way she closes out most days — next to beau Alex Rodriguez. “And that’s a wrap on Thanksgiving weekend… sooooo incredibly thankful for all of you…Goodnight everyone … #family #friends #lovedones #jloverfamily #gratitudeismyattitiude #imsleepy #ilovetheholidays #theholidayswearmeouttho.” (Photo: Jennifer Lopez via Instagram)

Who says the end of the holiday break means going back to work? Duff took her main man — 5-year-old son Luca — for a day at Legoland California. (Photo: Hilary Duff via Instagram)

Does Rihanna just look cool 365 days of the year, with no breaks for the holidays? Oh, OK then. (Photo: Rihanna via Instagram)

The Pitch Perfect star had mouths watering over a gorgeous snapshot from her “belated Thanksgiving.” She deadpanned, “Need more pie.” (Photo: Anna Kendrick via Instagram)

“So thankful for this little nugget #RiverRose #RedCarpetReady,” Clarkson captioned this adorable throwback pic of her 3-year-old daughter, River Rose, ahead of the American Music Awards. (Photo: Kelly Clarkson via Instagram)