The teenager received 27.76% of the vote to find this week's best performance for her version of Labrinth's 'Beneath Your Beautiful'.
Hannah Barrett's cover of Christina Aguilera's 'Beautiful' came second with 15.47%, followed by Nicholas McDonald's take on 'She's the One' by Robbie Williams with 13.74%.
Last week's poll winner Sam Bailey finished fourth with her version of Bob Dylan's 'Make You Feel My Love'. Rough Copy's cover of Backstreet Boys' 'I Want It That Way' came fifth with 9.28% and Abi Alton was sixth with 5.42%.
Kingsland Road - who finished bottom in last night's flashvote and will definitely perform in tonight's sing-off - finished seventh with 5.23%.
Sam Callahan came eighth with 4.30%, followed by Luke Friend with 4.00% in ninth.
Last week's sing-off survivor Shelley Smith looks to be most in danger of joining Kingsland Road, as she finished bottom of the DS poll with just 2.56%.
The poll received votes from over 16,500 Digital Spy readers.
The X Factor continues tonight (Sunday, October 20) at 8pm, with the results of the first public vote being revealed as well as performances from Robin Thicke and Katy Perry.
The X Factor: Love and Heartbreak performances in pictures: