The couple hold hands outside BOA Steakhouse in West Hollywood, Calif. on Friday, March 5, 2021.

Mod Sun and Avril Lavigne hold hands outside BOA Steakhouse, as couple Megan Fox and Machine Gun Kelly follow them out.

The two are spotted outside BOA Steakhouse in West Hollwood, Calif. on Friday, March 5, 2021.

A gentleman! The rapper helps his girlfriend step off the curb.

Machine Gun Kelly says goodbye to the fans outside BOA.

Machine Gun Kelly says hi to fans outside.

After their dinner, the group headed to the Rainbow Bar & Grill. Mod Sun posted this selfie video of him and Avril Lavigne. He said their song "Flames" had started playing.

Mod Sun shared this video of the couple at the Rainbow Bar & Grill.

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