[1] Jon O'Brien of AllMusic described "Wonderland" as a "shimmering" synth-pop number, comparing its sound to songs from Lady Gaga's EP The Fame Monster (2009).

[2] Kills said of the message behind "Wonderland": "I really wanted to reject the ideologies of perfection and fairytales that we're conditioned to aspire to from a young age.

If you believe in the 'happy ending' and count roses while you wait for a prince to save you it's only going to lead to extreme disappointment and pain when you get your heart broken and realize life is not always like that.

[6] Star Magazine described the song as: "moodily marvellous Wonderland, showed a strong, slightly menacing sense of self".

It then cuts to outside of the mansion where two soldiers are escorting Kills down the steps where her head is forced down and an executioner beheads her with an axe.

Peter Robinson in the Guardian noted her appearances on a BBC sitcom The Archers and commented "Bizarrely she has now been taken under the wing of Will.i.am and rebranded as a sort of post-Gaga LA pop noir princess.