Complex sentence: In 2005, D'Annunzio took part in the Channel 4 programme "When Blue Peter Became ABBA"; at the time of filming, she was a full-time degree-level student.
Split into simpler sentences: In 2005, D'Annunzio took part in the Channel 4 programme "When Blue Peter Became ABBA". At the time of filming, she was a full-time degree-level student.