Louise Redknapp has shared a rare photo of herself with sons Charley, 17, and Beau, 12, as she celebrated her 47th birthday.The singer wore a vibrant green top as she sat smiling between her two boys in a restaurant in a photo posted by eldest son Charley.The image was captioned: "Happy birthday mum I love you" alongside a heart emoji. Louise shares her two sons with ex Jamie Redknapp, who she married in 1998.The couple separated after 19 years together and finalised their divorce in 2018.