She was once a child star.
Was. But Transportation Security Administration officers didn't realize that "Harry Potter" actress Emma Watson is now grown up.
TSA agents recently stopped the 22-year-old as she flew into JFK airport when they mistook her for an unaccompanied minor.
According to a report in the New York Daily News, Watson tweeted about the incident, which occurred around the holidays.
"Passport control: 'Unaccompanied minor?' Me: 'Sorry?'" Watson tweeted.
"Passport control: 'Where is ur (your) guardian?' Me: 'I'm 22!!!!!!'"
Typically, anyone 12 or under is required to be accompanied by an adult at an airport.
Watson, who is British and a regular magazine cover girl, seemed more amused than annoyed by the incident. "Never wearing a backpack again," she tweeted.
And apparently, she's already been through it before. "The really sad thing is that this is not the first time this has happened," she tweeted.