Washington, Nov. 14 -- Canadian singer-songwriter Avril Lavigne has officially welcomed her first child, a baby girl, with her partner.

The 42-year-old artist shared the joyous news on her Instagram, posting a series of intimate black-and-white photographs to announce the arrival.

In the shared images, Lavigne and her partner are seen holding their newborn's hand, alongside a sweet photo of the singer holding the infant close to her chest.

A final image features three pairs of checkered Vans sneakers arranged on a skateboard, two adult sizes resting beside a tiny pair of baby Vans.

Lavigne has not yet publicly identified the baby's father or confirmed her current relationship status.

Announcing the birth to her followers, Lavigne wro...