She used to deputise for Claire Chazal, presenting the evening news bulletin (Journal de 20 heures) on France 2 from Friday to Sunday as well as the lunchtime bulletin at 1 PM (Journal de 13 heures).

She also presented the Sunday evening magazine program Sept à Huit with Harry Roselmack (who used to substitute for TF1 newsreader Patrick Poivre d'Arvor).

After gaining a degree from the IEP of Bordeaux, Lapix has worked for Bloomberg, LCI and M6 where she has presented French leading newsmagazine Zone Interdite before joining TF1's staff.

[citation needed] She hosted C à vous from 2013 to 2017.

Lapix is married to Arthur Sadoun, CEO of the advertising agency Publicis.