10 Best Celeb Quotes This Week

Britney Spears proves she's single and ready to mingle – so are you asking her on a date or what? Plus, more from Jennifer Lopez, Carrie Underwood and other stars

"We will not be intimidated. Their horrific acts only unite us."
President Barack Obama, responding to the Islamic State militants who posted a video of the beheading of a second American journalist, Steven Sotloff