Despite her struggles, Avril Lavigne had a pretty successful birthday.

Yolanda Foster Supports Avril Lavigne On Lyme Disease

The pop-rock singer turned 31-years-old on Sunday where she took to Instagram to post a few snapshots of her fun day. This included a thick chocolate cake and spending time with good friends.

 Grateful for the people in my life who care .... nurture and love. chill birthday hang. Tamlyn love you

A photo posted by Avril Lavigne (@avrillavigne) on Sep 27, 2015 at 10:33pm PDT


Lavigne previously announced that she and her husband, Chad Kroeger, have separated. She has also been struggling with Lyme disease, but that didn't stop her from spending her birthday with people who care for her. In the captions for the photos, she made it clear that she has loved ones around her who will always be there when times get hard.

 Feeling the LOVE @gabeplay

A photo posted by Avril Lavigne (@avrillavigne) on Sep 27, 2015 at 10:34pm PDT

 Thankful for my new friends .... Morgan

A photo posted by Avril Lavigne (@avrillavigne) on Sep 27, 2015 at 10:43pm PDT

Avril Lavigne & Chad Kroeger's Romance 'Slowly Died Out?'

According to E! News, it seems like the main reason why Lavigne and Kroeger's marriage didn't work out is because it just fell in that direction.

"Chad is being supportive," a source told the site. "At the end of the day, they just didn't see eye to eye on a lot of things...their friends and their circles never really mixed."