Her parents began dating in 2006 and they would later wed in August of 2010.
She appeared on an episode of Loose Women and sang her father's single "Love My Life" which he wrote in honor of her and her younger brother. Witnessing this video, Robbie was moved to tears on the show.
She has a younger brother, Charlton Valentine Williams, who was born in 2014.
Her father gained fame as a member of the band Take That alongside Gary Barlow.