This video highlights the top 20 reactions from celebrities whose songs were covered on the TV show Glee (0:08). These reactions ranged from thrilled approval to outright criticism.
Highlights include:
CeeLo Green (0:22) loved Gwyneth Paltrow's rendition of "Forget You" (0:36), saying she sang it better than he did and even performing it together at the Grammys.
Jonathan Coulton (1:16) was upset that his acoustic version of "Baby Got Back" was used without his consent (1:46), and he publicly called Glee out for not crediting him.
A Great Big World (2:14) was thrilled their song "This Is the New Year" (2:23) was featured, as they had hoped it would be included on the show.
Madonna (3:09) gave her ultimate seal of approval for the episode dedicated to her (3:13), praising the writing and specific performances like "Vogue" and "Express Yourself" (3:36).
Demi Lovato (4:03) thanked Lea Michele on Twitter for her amazing rendition of "Give Your Heart a Break" (4:13).
Prince (5:01) strongly disliked Glee's cover of "Kiss" (5:10), lamenting that covers allow others to claim existing work as their own (5:31).
Gotye (5:58) criticized the autotuned vocals of "Somebody That I Used to Know" (6:09), but later found other elements of the cover impressive (6:35).
Journey (6:56) initially worried their song "Don't Stop Believin'" (7:19) would sound cheesy, but later realized how much the show introduced their music to a new generation (7:29).
My Chemical Romance (7:56) frontman Gerard Way approved of Glee's cover of "Sing" (8:07) to provoke conservative commentator Glenn Beck (8:24).
Billy Joel (8:59) gave Glee full permission to use his music (9:17) years before his tribute episode, delighted that his songs resonated with younger generations (9:40).
Lady Gaga (11:01) reportedly enjoyed the covers of her songs, fulfilling her dream of students singing her music (11:47).
Katy Perry (12:03) was "smitten" with Blaine's performance of "Teenage Dream" (12:34), tweeting that it brought a tear to her eye (12:46).
Britney Spears (13:00) had positive feelings for the show, guest-starring in an episode and live-tweeting her reactions to performances (13:14).
Slash (14:02) from Guns N' Roses is "anti-Glee" (14:21), comparing the series unfavorably to Grease (14:24).
Nicki Minaj (14:49) surprisingly loved Sue Sylvester's performance of "Super Bass" (15:01), despite many fans considering it one of the show's worst covers (15:36).
Florence Welch (15:53) of Florence + The Machine was thrilled with the cover of "Dog Days Are Over" (16:20), calling it an "amazing Christmas present" (16:36).
Miley Cyrus (17:05) expressed her distaste for Glee (17:47), musicals, and even pop music in general (17:51).
Kesha (18:11) praised the performance of her debut single "Tik Tok" (18:32), despite finding the "alien puke" scene confusing (18:56).
Amy Winehouse (19:21) was a surprising fan of Glee, tweeting about her love for the show and commending the Vocal Adrenaline cover of "Rehab" (20:03).