Now America's sweetheart singer, Sabrina Carpenter, is in the hot seat after comments she made onstage during her landmark Coachella set. In the clip, Carpenter can be seen sitting at a piano onstage as a member of the audience makes a loud ululating noise.

Add Yahoo as a preferred source to see more of our stories on Google. The crowd reacts as Sabrina Carpenter announces Shania Twain as her special guest during her performance at the Austin City Limits Music Festival in Zilker Park in Austin, Saturday, Oct ...

The singer's Coachella set took the crowd to "Sabrinawood," full of surprise actor appearances, a journey through filmmaking and many cheeky moments.

Sabrina Carpenter once again graced the American Express stage at ACL Fest Weekend 2 - and this time, she was joined by more than just one special guest. As the crowd roared, the Chicks appeared beside her onstage. With a bit of twang and a lot of heart ...