Harry Styles, Louis Tomlinson, Niall Horan, and Liam Payne showed up at a shopping Mall near Boston, USA and was joined by thousands screaming fans.

The boys took time out to sign a few autograph, but Harry appear to have found a little green friend to help him out. Check out the video below.

The boys were still without bandmate Zayn Malik, who was in the UK for his aunt’s funeral.

However, the other boys are getting on with the job of keeping their American fans happy. Harry said he loved the event at the Mall and took to Twitter to thank his fans, saying:

“Great Signing today in Boston!! Thank you everyone.. There’s lots of Irish people in Boston.”

Horan was also excited by their reception and added:

“Wow!natick mall. the signing was amazing! Thank you guys so much, as always directioners comin out in big numbers! Love you guys! 1DinBoston.”