Elton John - Sir Elton John Worries For Lady Gaga's Health

The Rocket Man hitmaker admits he worries for the "frail" 26-year-old pop star, who is godmother to his son Zachary, as she travels the world on her Born This Way Ball tour.

He tells The Guardian Weekend magazine, "I look at Gaga and I think, 'How does she do it?' I talk to her mum and dad about it. They worry.

"She is frail, and she doesn't eat when she should do, and she's a girl, and it's tougher for a girl. She works really hard. She will be in Denmark one night and Saudi Arabia the next. I know how tiny she is and I do worry about her, yes."