Singer-actress Hilary Duff's is in good spirits despite her new single being leaked online before its official unveiling.

The "So Yesterday" hitmaker is gearing up for her highly-anticipated comeback to the music scene and was slated to premiere her new track, "All About You", Monday night on US radio programme - "Adam Bomb Show", reports contactmusic.com.

However, eager fans got hold of the song before its official debut, and instead of becoming furious, Duff has taken the leak in stride.

She took to Twitter.com to write, "Guess #AllAboutYou leaked... Dammit all! lol I am excited y'all are loving it! Don't forget to get your own tonight @iTunesMusic please."

Duff is due to release her first studio album in seven years this autumn.