This could become really big -- and it sounds horrifying.
[Image via Trey Songz/KeKe Palmer/Instagram.]
Looks like Olympian Gabby Douglas wasn’t the ONLY star who graced America’s Got Talent last night!
Check out Amy and Nick’s performance (above) of their latest single, Hello!
From posting song covers on YouTube to now performing their own songs on such a huge stage?? Karmin has definitely come a LONG way!