Sia’s adorable character in the film, Songbird Serenade, is featured in a brand new lyric video for her song, “Rainbow.” Only ET has your first look at the sweet video. Watch below.

That’s because Build-A-Bear Workshop is bringing My Little Pony: The Movie characters Songbird Serenade and Tempest Shadow to their collection. Songbird Serenade is played in the film by Sia ...