Pixie is a regular on the London party scene along with fellow famous offspring Jaime Winstone, Daisy Lowe, elder sister Peaches Honeyblossom Geldof andher drummer boyfriend George Barnett.
She is easily recognisablethanks to her ever-changing hairstyle and experimental fashionsense.
(Photo by Tristan Fewings/Getty Images) One Direction's Harry Styles was spotted attending the ceremony, as was radio DJ Nick Grimshaw.
Pixie and new husband George have been dating since 2012.
Pixie has three sisters, Fifi Trixibelle (born in 1983), Peaches Geldof (1989 -2014), and half-sister Heavenly Hiraani Tiger Lily Hutchence (born in 1996) from her mother's relationship with INXS frontman Michael Hutchence.
They crossed paths again at the Hawley Arms in Camden, where she suggested him as a co-presenter.
When Mac hosts a weekend lunchtime radio slot, Grimshaw hosts their radio show solo for nine months.
She has also been the face of advertising campaigns for Levi's, Diesel, Henry Holland, Razzle, Agent Provocateur, Loewe and Pringle of Scotland, as well as modelling for Vivienne Westwood, Luella and Jeremy Scott.
Pixie Geldof - or, to give her her full name, Little Pixie Geldof - is the youngest daughter of Bob Geldof and Paula Yates,and a British socialite and model.