Au was the winner of the inaugural ' Stephen Sondheim Student Performer of the Year Award ' in 2007 and appeared in ' Good Thing Going ' ( a Sondheim concert ) along with other members of Arts Educational drama school . He also starred as a solo vocalist in '' Barbara Cook & Friends '' and in 2008 , was a dancer at the '' What 's on Stage Theatregoers Choice Awards '' . Au was in the ensembles for stage productions of both '' High School Musical '' and '' Hearts '' and was a dancer in '' Once Upon a Time at the Adelphi '' in 2008 . He went on to appear in the stage production of '' Sleeping Beauty '' and at the '' 2009 Brit Awards '' as one of the Pet Shop Boys dancers
2009 Brit Awards
2009 Brit Awards
Carl Au