United Kingdom, Oct. 15 -- Chris Martin and Gwyneth Paltrow made sure daughter Apple doesn't feel "entitled to anything".

The Coldplay singer and his Goop founder ex-wife - who have Apple, 21, and son Moses, 19, together - made sure to raise their children with a strong work ethic, which has made them "grateful" for opportunities in life.

Speaking to the Daily Telegraph newspaper, Apple said: "I constantly remind myself how grateful I am to have these opportunities.

"I know this is not a normal way to grow up by any means.

"But my parents did a really good job of instilling in me that I shouldn't be entitled to anything. I have to work."

Apple - who is studying law, history and society at Vanderbilt University in Tennessee - has join...