Victoria Beckham is every inch a doting mother, and never fails to share regular updates and heartwarming photos of her and David's four children on Instagram.MORE: David and Victoria Beckham's 10 sweetest moments with mini-me Harper SevenVictoria delighted fans on Sunday after sharing a series of adorable snaps with Brooklyn, Romeo, Cruz and Harper in honour of Mother's Day. However, the former Spice Girls star was forced to defend herself after fans were quick to question a photo of her and ten-year-old Harper Seven drinking what appeared to be a glass of wine.WATCH: David Beckham shares adorable video of daughter Harper playing footballThe 47-year-old star was pictured with her daughter wearing a stunning strappy leopard-print dress.Victoria teased her brunette tresses into a sleek low bun, sporting a slick metallic manicure and fresh eyelash extensions for the glamorous snap.