Unfortunately, there's no reliable clip of the ['I Dreamed a Dream'] scene online right now, but here's a Spotify link to the audio of it...one person who really didn't think Hathaway's performance was anything special was in fact Hathaway herself. The L.A. Times spoke with her about the filming of the song, which took 20 takes to produce (mostly at Hathaway's own request):

Asked if she is pleased with the version that appears in the final cut, she shrugged half-heartedly.

"Eh."