Complex sentence: A week after its release, the album debuted in the UK Albums Chart at No.3, becoming the oldest living person and first ever centenarian to chart at the Official Albums Charts (she turned 100 four days prior to the album's release).
Split into simpler sentences: A week after its release, the album debuted in the UK Albums Chart at No.3. As a result of this, she became the oldest living person and first ever centenarian to chart at the Official Albums Charts (she turned 100 four days prior to the album's release).