Who said "Shake it off—don't let negativity define you."?

This quote is attributed to Taylor Swift.

Shake it off—don't let negativity define you. - Taylor Swift

"Shake it off—don't let negativity define you."

Taylor Swift Strength

Pop Country Singer American Born 1989 (age 37)

"No matter what happens in life, be good to people. Being good to people is a wonderful legacy to leave behind."

"Just be yourself, there is no one better."

"People haven't always been there for me, but music always has."

"Shake it off."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."