I'm grateful for every moment of struggle because it built m... - Britney Spears

"I'm grateful for every moment of struggle because it built my unbreakable foundation"

Britney Spears Perseverance

Pop Singer Dancer American Born 1981 (age 45)

More from Britney Spears

"I'm not a girl, not yet a woman"

"You want a piece of me"

"I did it again"

"Oops, I think I made a mistake"

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."