Washington DC, Sept. 5 -- Actor Sydney Sweeney refused to talk about her controversial ad campaign at the Toronto International Film Festival during the world premiere of her indie boxing drama 'Christy', according to Variety.

Sweeney stars in the David Michod-directed film as professional boxer Christy Martin.

"I am there to support my movie and the people involved in making it, and I'm not there to talk about jeans," Sweeney said. "The movie's about Christy, and that's what I'll be there to talk about."

She appeared in a jeans advertisement where she says, "Genes are passed down from parents to offspring, often determining traits like hair colour, personality and even eye colour. My jeans are blue."

Sweeney's ads were built around t...