American singer who rose to fame as one half of the indie pop group known as Alex & Sierra alongside Alex Kinsey. The duo won the final season of The X Factor in 2013.
She was a professional dance competitor for eleven years and earned three international titles for Irish dancing.
She and Alex Kinsey were mentored by Simon Cowell on The X Factor.
She and her older sister Lara were born to a British father and Vietnamese mother. She and Alex began dating in 2009; they dated for more than eight years before announcing their separation in 2017.
She has claimed Demi Lovato to be a large musical influence on her.
