PERSON@1 -LRB- born October NUMBER@1 , NUMBER@2 as PERSON@2 -RRB- is an MISC@1 pop rock singer-songwriter , dancer and actress .

PERSON@3 -LRB- born October NUMBER@1 , NUMBER@2 -RRB- is an MISC@1 pop rock singer , songwriter , and actress , and younger sister of pop singer PERSON@4 .
