John Mulaney in rehab for cocaine and alcohol abuse  —  Comedian John Mulaney has checked into rehab for 60 days for alcohol and cocaine addiction.  —  A source exclusively confirmed to Page Six that the 38-year-old golden boy of comedy checked into a Pennsylvania rehab facility this past weekend.

Meghan Markle and Prince Harry Announce New Archewell Partnership: ‘Compassion in Action’  —  Meghan Markle and Prince Harry's new Archewell foundation will be partnering with José Andrés and World Central Kitchen  —  Prince Harry and Meghan Markle are bringing on a new partnership …

Fans Believe Ariana Grande's Engagement Ring Is A Tribute To Her Late Grandfather  —  It's official: Ariana Grande has switched from “7 Rings” to just one dazzler.  Over the weekend, Grande received her Christmas gift from beau Dalton Gomez quite early—a sparkly engagement ring.

Holiday Spectacular 2020  —  Join us for our annual holiday party featuring remote guests Josh Gad, Leslie Odom Jr., Emmy Raver-Lampman, Bob Mervak and Kristen Bell.  —  Powered and distributed by Simplecast.  —  McDonalds: McDonald's.  Serving here.  —  HelloFresh: Go to HelloFresh.com/dax10 …

The Journalist and the Pharma Bro  —  Why did Christie Smythe upend her life and stability for Martin Shkreli, one of the least-liked men in the world?  —  Almost every weekday for six years, Christie Smythe took the F train from Park Slope downtown to her desk at Brooklyn's federal court …

Adam Brody on Surfing His “Brains Out” With Leighton Meester  —  “Other new hobbies?  Honestly, we're just beach bums.”  —  Although Adam Brody acknowledges that parts of the pandemic have been horrible, he also says the time off has had its perks.  The actor, 41, starts every morning at 7 a.m. with his daughter, Arlo, 5.

Miles Teller on the Verge  —  The pandemic forced many of us to hit pause on big plans and reimagine everything from work to relationships to fun.  For Miles Teller, star of … that meant learning to be patient and waiting . .  . and waiting . .  . and waiting for takeoff.

Madonna displays impressive figure as she shows off her ‘beautiful scar’ … Madonna has shared two very candid photos of herself, displaying her “beautiful scars” following a cupping treatment session.  —  Dressed in a black crop top and matching bikini bottoms, the 62-year-old happily flaunted …

Katy Perry's daughter Daisy makes her big debut in new music video - and her celebrity lookalike also stars … Katy Perry released her Not the End of The World music video on Monday morning, and it was just what the doctor ordered ahead of this very different Christmas season- complete with an appearance by her daughter Daisy.

‘JUST US THREE NOW!’  Wilmer Valderrama and fiancee Amanda Pacheco expecting their first child together  —  WILMER Valderrama and fiancee Amanda Pacheco revealed on Monday that they're expecting their first child together.  —  The couple announced their engagement back in January.

WEIGH TO GO Love Island's Curtis Pritchard reveals he's lost two-and-a-half stone on new diet after piling on the pounds on show  —  LOVE Island's Curtis Pritchard has told The Sun that he's lost almost three stone on a new diet after piling on the pounds on the show by eating five slices of cheesecake a night.

Kourtney Kardashian's Christmas display is straight out of the North Pole … Kourtney Kardashian took to Instagram to wish her followers a merry Christmas, and in doing so, she showed off her festive decorations including an enormous tree and two life-size polar bears.

Taylor Swift's ‘Willow’ Debuts at No. 1 on Billboard Hot 100  —  As parent album “Evermore” opens atop the Billboard 200, Swift is the first artist to debut atop both charts simultaneously twice: “Folklore” & “Cardigan” began on top in August.  —  Taylor Swift's “Willow” blooms with a No. 1 debut on the Billboard Hot 100 songs chart.

MGM Holdings, Studio Behind ‘James Bond,’ Explores a Sale  —  Movie studio has tapped bankers to find a buyer, as media companies look to stock up on content  —  MGM Holdings Inc., the movie studio behind the “James Bond” franchise, is exploring a sale, according to people familiar with the matter …