Demi Moore, 61, stuns at The Substance photocall during return to Cannes Film Festival after 25 years - as the horror receives rave reviews and a 13-minute standing ovation

Demi Moore's incredible 'third act' continued as she made a stunning appearance at the The Substance photocall during Cannes Film Festival on Monday morning. Demi Moore's incredible 'third act' continued as she made a stunning appearance at the The Substance photocall during Cannes Film Festival on Monday morning Demi attended the photocall alongside her beloved chihuahua Pilaf, who she held close while posing for pictures at the event Demi stars as Elisabeth, an ageing TV fitness instructor a la Jane Fonda, who signs up for a mysterious medical regime called The Substance The mother of three showed off her age-defying figure in the form-fitting dress, which was teamed with a pair of white and black heeled pumps. It marks the first time in more than 25 years that the actress, 61, has attended the prestigious film festival and her new film has already been met by rave reviews After the film premiered on Sunday night it reportedly received a 13-minute standing ovation and Demi's own performance has been branded 'fearless' Demi looked nothing short of sensational in a chic cream polka-dot dress with a cinched waist and a plunging neckline Demi wore her glossy black hair loose and opted for natural make-up, while accessorising with large Missoni sunglasses and drop earrings Demi said the vulnerability required for her role in the body horror film was both demanding and exciting. The mother of three showed off her age-defying figure in the form-fitting dress, which was teamed with a pair of white and black heeled pumps Demi's co-star Dennis Quaid referred to her Cannes comeback as a 'incredible third act' during a press conference after the film screened during the festival This year's festival marks the first time in more than a quarter-century that Demi, who became a sex symbol through films like Striptease in the 1990s, was at the festival This year's festival marks the first time in more than a quarter-century that Demi, who became a sex symbol through films like Striptease in the 1990s, was at the festival.