Complex sentence: During an episode of "My Kind of People" in 1995, Barrymore "failed to spot (the) star quality" of Susan Boyle, who 14 years later appeared in a 2009 episode of "Britain's Got Talent".
Split into simpler sentences: During an episode of My Kind of People "in 1995, Barrymore" failed to spot (the) star quality "of Susan Boyle." It would be another 14 years before Susan Boyle's talent would be recognized in a 2009 episode of "Britain's Got Talent".