I like to think of myself as middle class but I still sing my heart out at every game.

He should have put on a smile and "sung" his little heart out for the judges and the audience.

A song about a banana who dances & sings his non-existent heart out.

It sang its heart out and it was lovely to hear.

"I can sing my heart out and not need to get anyone to play the piano," she said.

And I've been singing my little heart out ever since.

Plus, she says, 'nothing is more therapeutic than singing your heart out'.

She sang her heart out the way she did for every audition.

That turkey who tried to kill me the other night is probably singing his heart out to the cops now!

Then, in 2011, he decided to up and sing his heart out, with deadly sincerity.