Celebrity Star Tracks: Celebs on Social See what the stars are up to Instagram, Twitter and beyond By Grace Gavilanes Published on January 25, 2018 01:55 PM Share Tweet Pin Email Trending Videos 01 of 18 KIM KARDASHIAN WEST Kim Kardashian/Instagram Just a week after welcoming daughter Chicago with husband Kanye West via surrogate, the Keeping Up With the Kardashians star shared a very bare photo on social media standing in front of a bathroom mirror wearing only a pair of sparkling panties, while carefully covering her assets with her arms. 02 of 18 TYLER BALTIERRA Tyler Baltierra/Facebook "OH DAMN SON! Hey there jawline, how you doin? I missed ya man hahaha!" the Teen Mom OG star captioned a selfie of his profile. "For real though, it feels so damn good dropping this weight. The cool thing about confidence, is that it looks good on EVERYONE! #LifestyleChanges #Motivated." 03 of 18 ANNA FARIS Anna Faris Instagram; Desiree Navarro/WireImage The Mom star shared an adorable photo of her 5-year-old son Jack baking a sweet treat on the floor of her kitchen on Instagram. "Hey dear Campers!! Summer is coming and we are all getting super excited for a fun-filled season of growing, learning, and discovering!" she wrote in the caption. "My son Jack is applying to be camp chef! I may be biased but I think he’s pretty darn good! Can’t wait to see you guys this summer!!! Any allergies? Please tell Ken," she added. 04 of 18 SHAILENE WOODLEY Shailene Woodley Instagram Woodley has taken her relationship to a new level – Instagram. The Big Little Lies actress shared a kiss with boyfriend and rugby player Ben Volavola on Instagram stories. 05 of 18 JESSICA SIMPSON Jessica Simpson/Instagram Simpson is already ahead of the fitness game, and logged her 12,000 steps for the day. The singer and fashion designer shared a photo from her daily walk on Instagram. 06 of 18 KHLOÉ KARDASHIAN Kim Kardashian/Instagram; Inset: Getty The expectant sister gifted Kim — who just welcomed her third child, daughter Chicago, via surrogate — a beautiful floral arrangement that spells out "Chi," Kim's daughter's nickname. 07 of 18 SCOTT DISICK Scott Disick/Instagram Reign goes rock climbing with his dad, which Disick documented on his Instagram Story. "Killing it," he captioned the sweet snap. 08 of 18 JORDIN SPARKS Jordin Sparks/Instagram The American Idol alumna — who will be welcoming a son in the spring with husband Dana Isaiah — took a moment on Thursday to celebrate all the new curves that pregnancy has thrown her way. “I felt cuuuute!!" she wrote on Instagram. 09 of 18 BUSY PHILIPPS & MICHELLE WILLIAMS Busy Philipps Instagram; Neil Rasmus/Patrick McMullan via Getty Images Philipps took a flight to be with her best friend on the 10-year anniversary of Heath Ledger's death. On Monday, she posted a follow-up selfie of her with Dawson’s Creek costar Williams, whom dated and welcomed daughter Matilda with Ledger. "It's ok," Philipps wrote along with the picture that showed the All the Money in the World star with her eyes closed and leaning on her longtime confidant. 10 of 18 CHRISSY TEIGEN & JOHN LEGEND Chrissy Teigen/Snapchat Husband of the year! The Grammy winner helps his pregnant wife slip into her Spanx leggings, which the Cravings author documented on Instagram Story. Relationship goals to the max. 11 of 18 JASON BIGGS & EUGENE LEVY Jenny Mollen/Instagram While Levy isn’t technically 3-month-old Lazlo's grandfather, it is safe to say that since Levy played Biggs' father in American Pie he’s already part of the family. “Jason’s father stopped by to meet the baby. ( the apple is purely coincidental),” Biggs' wife Jenny Mollen wrote in the caption of her Instagram, which also featured son Sid. 12 of 18 MINDY KALING Mindy Kaling/Instagram; Inset: Jason LaVeris/FilmMagic Katherine Swati is only 5 weeks old, but she already has cooler wheels than most adults, as mom Mindy showed off on her Instagram account. 13 of 18 TESS HOLLIDAY Nick Holliday The model shared an unretouched photo of herself, naked, to advocate for women’s equality. Her husband Nick took the photo and added it to his Instagram account, which Tess then reposted. "Women deserve respect, whether they are completely naked or covered head to toe," Nick wrote. 14 of 18 STEVE-O Steve-O/Instagram Congrats are in order for the Jackass star and his newly-minted fiancée Lux Wright — the couple got engaged over the weekend! 15 of 18 NICOLE KIDMAN Nicole Kidman/Instagram Before taking the stage to accept her SAG Award on Sunday night, the Big Little Lies actress puts the finishing touches on her red carpet look. 16 of 18 ALEXANDRA BRECKENRIDGE Alexandra Breckenridge Instagram After accepting the award for outstanding performance by an ensemble in a drama series with the rest of her This Is Us castmates, the actress — who plays Kevin's love interest Sophie — went home to be with her 6-week-old daughter Billie. "Home to my tiny princess," Breckenridge wrote alongside a picture of herself cradling her daughter — and her SAG Award — in her arms. 17 of 18 TIMOTHÉE CHALAMET Timothée Chalamet/Instagram The Call Me By Your Name actor shared a sweet throwback photo (left) on Instagram when he took his mother, Nicole Fender, to his first SAG Awards — who was his date again at the 2018 SAG Awards. "Same date, 5 years later : THE QUEEN #sagawards," he captioned the photo. 18 of 18 MANDY MOORE Sarah Sherman Samuel Before dressing up and attending the 2018 SAG Awards, the This Is Us star began moving furniture into the retro ranch house in California that she's sharing with fiancé Taylor Goldsmith, over the weekend.