Avril Lavigne announces birth of 1st child, a daughter

The singer took to social media to share the first photos of her daughter.

Music star Avril Lavigne is a mom, after welcoming her own "Sk8er" girl.

The "Complicated" singer, 42, took to social media Friday to share photos of her first child, a daughter.

Lavigne shared three photos on Instagram, including one of her and her partner’s hands holding their daughter's tiny hand.

Another photo shows Lavigne cradling the baby girl, who is dressed in a leopard-print onesie and matching headband. The third photo features three pairs of checkered Vans sneakers -- two adult-sized and one baby-sized -- lined up on a skateboard.

"Our Mini F--king Princess has arrived 🎀👑🍼🩷," Lavigne captioned the photos.

Lavigne has not yet revealed the baby's name or the identity of the father.

ABC News has reached out to Lavigne's representatives for comment.

The "Complicated" singer was previously married to Sum 41 frontman Deryck Whibley from 2006 to 2010 and Nickelback's Chad Kroeger from 2013 to 2015.