Definition: In this task, you will be presented with a text and a pronoun. You should write the name that the pronoun refers to. Position of the pronoun in the text is showed within two "_"s.
Input: A day before the release of No Boys Allowed, Hilson performed the song at Billboard's first live Tastemakers event in New York City on December 20. On January 4, 2011, Hilson gave a Motown-themed performance of ``Pretty Girl Rock'' on the Late Show with David Letterman, by paying tribute to Diana Ross and The Supremes with _her_ two female back-up singers. <sep>, Pronoun: her

Hilson