Stars remember on 9/11 anniversary
On the 12th anniversary of the 9/11 terrorist attacks, celebrities have taken to social media sites to send their prayers to families who lost loved ones that day.
Miley Cyrus has urged her Twitter followers to do a good deed, while Alec Baldwin wondered, "How do we recover from the lingering fear and anxiety of 9/11?"
See how other celebrities are paying tribute below: