Complex sentence: Still a teenager Roberts auditioned for the reality television series "Popstars The Rivals", participants checked into a Kensington hotel in London before performing to a panel of celebrity judges with Roberts finding she "didn't really have much life experience" up to that point.
Split into simpler sentences: Still a teenager, Roberts auditioned for the reality television series "Popstars The Rivals". Participants checked into a hotel in Kensington, London before performing to a panel of celebrity judges with Roberts finding she "didn't really have much life experience" up to that point.