Demi Moore, 61, stuns in a black strapless dress as she joins stylish Margaret Qualley at The Substance photocall during Cannes Film Festival

Demi Moore and Margaret Qualley were in high spirits as they attended The Substance photocall during Cannes Film Festival on Sunday. Demi Moore and Margaret Qualley were in high spirits as they attended The Substance photocall during Cannes Film Festival on Sunday Demi, 61, looked incredible in a strapless black gown while Margaret, 29, turned heads in a white satin dress The Maid actress accessorised by layering silver necklaces and shielded from the sun behind a pair of dark sunglasses. Demi showed off her sensational figure in the stylish maxi dress which she teamed with coordinated flat shoes Leaving her very long tresses loose, the Ghost star shielded from the sun behind a pair of sunglasses and accessorised with a pair of small silver hoop earrings Meanwhile Margaret looked elegant in the white dress which she donned with chic white and black shoes The Maid actress accessorised by layering silver necklaces and shielded from the sun behind a pair of dark sunglasses The duo were seen beaming for photos while holding hands It has been held annually since 1946 except in 1948 and 1950, when it was cancelled due to lack of funds. The Cannes Film Festival officially kicked off on Tuesday night as celebrities walked the red carpet into the plush Grand Theatre Lumiere to honour Hollywood actor Meryl Streep before settling in to watch this year's opening film, The Second Act.