Ariarne Titmus criticised a sports betting advertisement.

The ad included actress Sydney Sweeney.

Titmus claimed it sexualised women's sport.

The advertisement drew criticism.

Other elite athletes added their voices.

The ad came from a sports prediction company.

As a separate matter, Titmus revealed she is engaged.

Her fiancé is Mac Powell.

She wrote the word 'Forever' on social media.

The engagement news was unrelated to the ad.

Titmus's comments contributed to a public backlash.

Athletes across different sports added their voices.