Lawston'sactingdebutwasinthe2005filmFlightplan,wheresheplayedJulia,thesix-year-olddaughterofKylePratt(JodieFoster)whowaskidnappedonboardaplane.In2006,sheplayedJulieGrantintheLaw&Orderepisode"ThinkingMakesItSo".Shewasfeaturedinthe2007filmDaninRealLifewheresheplayedSteveCarell'sdaughterLillyBurns.In2010,sheplayedNickyinanepisodeofBlueBloods.