Cat Marnell has sold new book "The Bored and the Beautiful"

Literary wild child Cat Marnell has sold her first novel, Page Six is told.

The beauty writer who became something of a sensation after the release of 2016’s hit addiction memoir “How to Murder Your Life” will release “The Bored and the Beautiful” with Crown Publishing.

“My memoir reads like an afternoon tea with grandma by comparison,” she told us.

“The Bored and the Beautiful is way crazier,” she says, describing the new work as a “wild, druggy, funny, feminine, deranged, glamorous, and, yes, autobiographical novel about my character’s media-famous thirties.”

Marnell first made a name for herself as a beauty editor for Conde Nast’s now defunct Lucky magazine before moving on to write a column for Jane Pratt’s XOJane.

In 2012, she parted ways with the web site after refusing to stay