Duoduo is 18 years old, she was so cute when she was a child, and time flies so fast Duoduo is 18 years old, she was so cute when she was a child, and time flies so fast Duoduo is 18 years old, she was so cute when she was a child, and time flies so fast Duoduo is 18 years old, she was so cute when she was a child, and time flies so fast Duoduo is 18 years old, she was so cute when she was a child, and time flies so fast Duoduo is 18 years old, she was so cute when she was a child, and time flies so fast Duoduo is 18 years old, she was so cute when she was a child, and time flies so fast Duoduo is 18 years old, she was so cute when she was a child, and time flies so fast Duoduo is 18 years old, she was so cute when she was a child, and time flies so fast