United Kingdom, April 2 -- Taylor Swift once wrote a "big cheque" for a children's hospital "without blinking an eye".

The 35-year-old pop star made the generous donation to the hospital after she was approached by Ellen Pompeo, who starred in Taylor's 'Bad Blood' music video back in 2015.

The 'Grey's Anatomy' star - who has been married to music producer Chris Ivery since 2007 - said on 'The Jennifer Hudson Show': "At the time, Chris and I, we do a lot of volunteering for Children's Hospital Los Angeles here and they have an amazing programme at Children's where they make music for the babies in the NICU and for the parents who have to go to work all day and they can't be with the kids.

"They record their voices singing nursery rhymes...