Pete Wentz

"Thanks for the memories, Kim."

The band will be performing at his inauguration concert, and it'll be a full-circle moment.

Because breaking up is hard to do.

The band is called Racetraitor.

From Kim Kardashian to Tom Hanks...

From Pete Wentz to Gerard Way, check out where your favorite emo music icons are today.

From Nick Jonas to Khloe Kardashian and beyond, check out 30 surprising celebrity glow-ups over the years.

'Feeling so grateful that she's here... annnnd she's already ready to takeover the world,' Wentz wrote on Instagram.

Formerly married pair Ashlee Simpson and Pete Wentz were the pinnacle of pop-punk couple goals.

Celebrities like Lady Gaga, Pete Wentz, Zendaya and more tweeted about the Charlottesville, Virginia white supremacist rally.