Mara Siegler

Reformed literary wild child Cat Marnell is blurring the line between fact and fiction in her new novel — and sprinkling in plenty of real downtown fixtures and Page Six references.

They're getting rid of baggage. Away luggage co-founder Jennifer Rubio and billionaire tech entrepreneur Stewart Butterfield, the co-founder of Flickr and Slack, are splitting after six years of marriage.

Armie Hammer's romance with Reagan Newman fizzled out fast. The disgraced actor and social media strategist sparked dating rumors when they

Brad Pitt was spotted tipping back drinks at Taylor Swift and Travis Kelce's wedding in July, just before publicly admitting he is off the wagon after seven years.

The former mayor is currently listed as a “co-founderer” [sic] on the charity's website, while his brother Bernard — initially listed as a co-founder two years ago— is now identified as a “board member.”

Hamilton, who celebrated his 87th birthday on Wednesday, told us that around four or five years ago he came out of an operation “not knowing who I was.” While the doctors said the condition would last a few days, he tells us it took him years, leading the famously bronzed actor to grapple with profound questions about identity.

Julia Koch – the second-richest woman in America — may not be on the social scene, but she is keeping busy.

Hampton ladies were “flinging themselves” at the cast of Bravo's “Summer House” while the show filmed at Southampton burlesque spot Maison Close.

“No one is going to make it easy because he is Jeff Bezos,” says a source. “You have to go to mixers. You don't just move there and think you can get in. For anyone.”

Hysteria over wisteria! Cookbook author Sandra Lee visited the Westchester County home she once shared with ex-boyfriend, former Gov.