It seems like we're not the only ones who are obsessed with One Direction, but the celebrities are too.
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Lucy Mecklenburgh tweeted the photo of her with Niall alongside the caption: "Met @Niallofficial. He's really nice."
Lucy looked gorgeous in the snap which showed her wearing a navy blue dress, teamed with celebrity style sunglasses, and her hair in loose waves. Niall Horan looked as hot as ever, wearing a grey T shirt. Swoon.
Lucy Mecklenburgh then tweeted this card that she got signed by One Direction for her sister. Copyright [Lucy …The TOWIE stunner went on to reveal that she'd also managed to get the autographs of One Direction for her little sister who's clearly also a big fan of the boys.
It turns out that Lucy was doing a shoot in the studio next door to Niall Horan and the rest of 1D.
She tweeted Harry Styles directly to ask if the guys would sign something for her little sister - we reckon she'll be absolutely chuffed.
The fact that Lucy and the One Direction boys bumped into each other at a London studio has got us very excited in the hope that they were either recording songs for their new album or shooting new photos.
We can't wait!