Avril Lavigne took to Instagram on Thursday evening in order to thank the man she claims "changed [her] life".The 'Complicated' singer – who recently broke off her engagement to her boyfriend of almost two years, Mod Sun – made the comment while sharing a photograph of herself out for dinner with the man who kickstarted her music career, Antonio 'L.A.' Reid.In the candid selfie, the 66-year-old record producer could be seen smiling next to the stylish Canadian punk-pop singer who he talent-spotted back in 2000. Avril shared the photo to her Instagram stories on Thursday night, writing on the image: "This man changed my life. @la_reid I love you 4-ever." Avril's Instagram post with L.A.