Ariarne Titmus criticised a sports betting advertisement.

The ad featured actress Sydney Sweeney.

Titmus claimed it sexualised women's sport.

The advertisement sparked criticism.

Other elite athletes added their voices.

The ad promoted a sports prediction company.

In separate news, Titmus announced her engagement.

Her fiancé has been named as Mac Powell.

She wrote the word 'Forever' on social media.

The engagement news was unrelated to the ad.

Titmus's comments formed part of a public backlash.

Athletes from various disciplines also weighed in.