Avril Lavigne has been busy celebrating her birthday this week as the Girlfriend singer turned 37 on Monday. And to help with her celebrations, on Tuesday night her mother cooked her a delicious looking meal.MORE: Avril Lavigne shows off her abs in crop top and jeans ahead of special celebrationThe star shared several clips of her mother – who looked just like her 37-year-old daughter – alongside her father and boyfriend, Mod Sun.