United Kingdom, March 4 -- John Legend's children give him feedback on his music.

The 46-year-old singer - who is best known for his 2013 hit 'All of Me - has Luna, eight, Miles, six, Esti, two, and Wren, six months, with his wife Chrissy Teigen and after he became a judge on the US version of 'The Voice', admitted that his two eldest have got into the habit of critiquing talent as well.

He told E! News: "Luna and Miles have been coming to visit at the show and they definitely tell me who they like and who they prefer.

"I think they have a good sense of when somebody is a really good performer, and is a really good singer, really compelling.

"They tell me which songs [of mine] are their favourite, which songs are not their favourite."...