On "American Idol" Tuesday night, new judge Ellen DeGeneres wasn't the only change on the screen.

In a highly effective bit of product placement, the large Coca-Cola cups have been as much of a fixture on the show as Randy Jackson saying "Dawg!" But thousands of viewers did a double take on Tuesday night when they saw Jackson, Simon Cowell, Kara DioGuardi and DeGeneres sipping from orange-and-white Vitaminwater Zero cups. While the change isn't really that remarkable, it still felt oddly jarring to many viewers of the show. DioGuardi was even asked about the switch during a conference call with reporters on Wednesday (February 10).

"They were kind of colorful, different," she laughed about the new cups. "Everything's always changing on the show. I kind of just drink from the cup and assume there isn't poison in it."

Vitaminwater does belong to the Coca-Cola family, so it's not like there was a major sponsorship change, and a rep for the show told MTV News on Wednesday that the switch is just a temporary one.

"The Coca-Cola cups have been a staple on American Idol since 2002 and will not be gone for long," the rep said in a statement. "During the Hollywood Week episodes, Coca-Cola will share the mic with Vitaminwater Zero (a Coca Cola brand), but the Coke cups will return on the first live show on Tuesday, Feb. 23."

Get your "Idol" fix on MTV News' "American Idol" page, where you'll find all the latest news, interviews and opinions.