Carrie Underwood's fellow celebrities were part of the millions who tuned in for NBC's "Sound of Music Live!" and they praised the singer on Twitter for her performance as Maria von Trapp.
"Y'all did great," fellow "American Idol" winner Kelly Clarkson Tweeted to Carrie on Thursday night. "Brandon & I just finished watching & what an intense 3hrs that must have been 4 all of y'all! #singinglive."
"Scandal" star Bellamy Young was also impressed.
"Not gonna lie #SoundofMusic just made me cry like somebody shiv'd me They're #KillinIt @carrieunderwood u never cease to amaze:-) #BEAUTIFUL," she Tweeted.
Another "Idol" alum, Kellie Pickler, also gave Carrie some big praise.
"@carrieunderwood Class + Grace + Talented = YOU. #BravoCarrie #PhenominalJob ;)," she wrote.
Miranda Lambert also shared her support.
"Wow! The Sound Of Music Live was awesome. @carrieunderwood unbelievable! I can't imagine the work that went into that. Such a talented cast," she Tweeted.
Thursday night's performance of the "Sound of Music Live!" was a huge hit for NBC, bringing in around 18.5 million viewers.
-- Jolie Lash
Copyright 2013 by NBC Universal, Inc. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.