"So much fun having @Seal as our final #JudgeCuts #GuestJudge tonight on @AGT!" the supermodel, 44, Tweeted.
The amicable exes even recorded a very cute mini duet singing about AGT's special golden buzzer. Check it out below!
After six years of married, Klum filed for divorce from The Voice Australia coach in 2012. They are parents to four children together.