Us Weekly has affiliate partnerships. We receive compensation when you click on a link and make a purchase. Learn more! When it comes to celebrity skincare recommendations, it can sometimes be hard to tell if they’re genuine or not. Are they only saying they like them because they’re sponsored, or perhaps friends with the owner? Do they actually even use it at all? How much help do they have from dermatologists and aestheticians — or $500 products in addition to the $20 one they’re touting?

Leave the kids at home! Chrissy Teigen, John Legend and Kourtney Kardashian put on their best pajamas to celebrate Cash Warren’s birthday at a party Jessica Alba threw for him on Saturday, January 14. In photos the celebs shared on their respective Instagram accounts, the stylish parents all wear fun onesies and pj's for the celebration. (Kardashian, 37, appears to be the most dressy of the bunch in a black silk robe, matching pajama bottoms and lacy black lingerie underneath.

It’s been five weeks sinceChrissy Teigen and John Legend’s 21-month-old daughter Luna became the proud owner of a Fisher-Price food truck — and miraculously the toddler hasn’t lost interest. As parents of small children know, this is pretty major. “It’s her big thing right now. She’s obsessed with it,” Teigen, 32, told Us Weekly at the Vita Coco Coconutmilk Brunch in West Hollywood, on Wednesday, January 24. Though Teigen has shared Instagram photos of Luna’s top toys including Tickle Me Elmo and Little Tikes’ Princess Horse & Carriage — she says her first-born’s most favorite thing happens to be a $1.

She’s back! Christina Aguilera released her brand new song and accompanying music video, “Accelerate,” on Thursday, May 3. The upbeat track features the rappers Ty Dolla $ign and 2 Chainz, and finds Xtina, 37, showing off her renowned powerhouse vocals. “Accelerate / C’mon babe, pick up your speed,” she belts during the catchy chorus. “Stamina, fill me up / That’s what I need.” In the trippy Zoey Grossman-directed video, Aguilera rocks minimal makeup while spreading glitter and a honey-like substance all over her face and body.

Name:Christina Applegate Hometown:Los Angeles, CA Birthday:November 25, 1971 About A California native, Christina Applegate made her acting debut at five months old, when her mother landed her in a commercial for Playtex nursers. Since then her career Applegate had a number of small parts before earning her breakout role in Married with Children in 1987. She has also appeared in films like The Big Hit, Don’t Tell Mom the Babysitter’s Dead, Mars Attacks!