Celebs react to Julianne Hough, Vanessa Hudgens in 'Grease: Live'

LOS ANGELES, Feb. 1 (UPI) -- FOX's network premiere of Grease:Live the musical may have been exciting to watch, but just as engaging were the celebrity reactions pouring in during the live event.

Sunday evening's airing of the music special featured big names including, Julianne Hough (Sandy), Aaron Tveit (Danny), Vanessa Hudgens (Rizzo), and Keke Palmer (Marty).

The hashtag "GreaseLive" was trending before the show even aired and even the first few numbers gave fans and celebrities alike something to tweet about.

According to US Weekly, Anna Kendrick started an uproar when she tweeted her appreciation for Tveit's tank and shorts combo when he strutted onto the set for the gymnasium scene.

"Finger crossed Danny's shorts get smaller with every cut away," she tweeted.

Finger crossed Danny's shorts get smaller with every cut away #GreaseLive

Many fans and celebs were right behind her.

"My type is Aaron Tveit in track shorts," entertainment news reporter Will Keightley tweeted.

My type is Aaron …