Ariarne Titmus has criticised a sports betting advertisement.

The ad included actress Sydney Sweeney.

Titmus claimed it sexualised women's sport.

The advertisement provoked a backlash.

Other elite athletes added their voices.

The ad was for a sports prediction company.

As a separate matter, Titmus shared her engagement news.

Her fiancé is Mac Powell.

She shared the message 'Forever' on social media.

The engagement news bore no relation to the ad.

Titmus's comments contributed to a public backlash.

Athletes from different sports joined in.