Avril Lavigne became a part of Gotham on Halloween night.

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On Saturday, the pop-rock star took to Instagram to post a couple photos of her big night where she appeared to have a lovely time with good friends. Wearing a batsuit with the Batman symbol on it and a pair of boots, Lavigne smiled for the camera as she hung out with people who seem to be dressed as a fancy dead man and a sexy care bear.

 Happy Halloween from BatBatch xoxo care bear and @gabeplay

A photo posted by Avril Lavigne (@avrillavigne) on Oct 31, 2015 at 6:07pm PDT


In another snapshot, Lavigne looked extra happy as she smiled with her care bear friend along with two other girls.

Happy Halloween from me and my girlies @valgabond @nataliaroks Caryn Alpert  A photo posted by Avril Lavigne (@avrillavigne) on Oct 31, 2015 at 6:35pm PDT

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Meanwhile, Lavigne previously announced that she and her husband, Chad Kroeger, are separating after two years of marriage. But that's not stopping them from keeping things friendly. Based on what Lavigne's been posting on Instagram, she and the Nickleback leader are writing new hits together.

 YeeHaw! Writing with Chad today

A photo posted by Avril Lavigne (@avrillavigne) on Oct 3, 2015 at 4:06pm PDT


She even posted a photo of Kroeger as he shows his dashing smile.

Back where it all started ... A photo posted by Avril Lavigne (@avrillavigne) on Oct 3, 2015 at 4:16pm PDT

Tags: Avril Lavigne chad kroeger