Okay, I know that the point of the Cannes Film Festival is that we're all supposed to be focused on the movies, but I wouldn't be who I am if I wasn't absolutely stunned by all of the hair and makeup looks to grace the red carpet. I'm mostly talking about Demi Moore , who attended a screening this week wearing a wet and wavy hairstyle that stopped me right in my tracks. On May 13, Moore attended a screening for A Woman's Life . She showed up wearing a strapless lavender gown from Gucci that was made of tulle and featured long, sheer sleeves and a train. I've come to learn that it's pretty rare for the 63-year-old to be spotted out with her hair styled in anything other than a bouncy, straight blowout, but for Cannes, she really surprised me. For Wednesday's red carpet, she opted for mermaid glam and wore her long, dark hair in a wet and wavy style. Per Instagram, her go-to hairstylist, Dimitris Giannetos , achieved the look by carefully applying a hair oil to her roots and ends.…