Acte II sings 'I Will Always Love You' on America's Got Talent 2014 (VIDEO)

Acte II sang 'I Will Always Love You' on America's Got Talent 9 Quarter Finals #2 on Tuesday, August 5, 2014.

The performance was held live at Radio City Music Hall in New York City.

Acte II are Olanna Goudeau and Ashley Renée Watkins.

"It was just amazing," said judge Howie Mandel.

"Yet again you surprised me," said judge Mel B. "You filled this room with your voices."

"You two are an amazing duo," said Heidi Klum. "You two are spectacular."

"You guys have the big voices," said Howard Stern. "To me it was a bit strange. It was off, I don't think it was dynamic. I hate to end in a bummer."

The results of the Quarter Finals #2 will be revealed on Wednesday, August 6, 2014.

Watch the performance video here: