"Considering I had no voice yesterday and a sleepless night because of the meds I would say it's been a good day :) thanks for the love x
"I give 100 per cent in my performances even when people don't give much back. My fans know that. That's because I love what I do so much. :)
"Truth be told I've been unwell the past week and I could do with a long spell chill but I was determined to give everything for Oz today."
Grand final entertainment producer Michael Gudinski also refuted claims that Goulding lip-synced.
"Ellie performed live vocals to a backing track. This is a very common practice for performances in situations such as the Grand Final," he said in a statement to the media.
"Unfortunately a technical issue at the start of Ellie's performance caused a brief hiccup but Ellie went on to prove just how much of a superstar she is, belting out two of her massive hits.
"Claims that Ellie lip synced her performance are absolutely untrue."
Goulding joined Canadian Bryan Adams and US crooner Chris Isaak for the entertainment for Saturday's grand final, in which Hawthorn beat West Coast to win the premiership for the third time in a row.
- AAP