Megan Fox and Kourtney Kardashian had a fun night out with their fiances Machine Gun Kelly and Travis Barker!

The good friends stepped out to support Avril Lavigne at her album release show on Friday night (February 25) at the Roxy Theatre in West Hollywood, Calif.

Avril performed for SiriusXM and Pandora’s Small Stage Series to celebrate the release of her new album Love Sux. Travis and MGK were surprise guests during the show and Megan and Kourtney watched from side stage.

We just learned some new details about both of the upcoming weddings.

Machine Gun Kelly discussed the challenges with planning his wedding to Megan and a source opened up about the timing of Kourtney‘s wedding to Travis.

Click through the gallery for 20+ photos of the two couples at the concert…