The boys from the British band, One Direction, are taking the world by storm and by the looks of it even celebrities are wrapped around their every move.

While Niall, Liam, Louis, Harry and Zayn are busy serenading fans from one city to the other, their grabbing and breaking hearts of a few fans along the way. 'Directioners' are increasing by the minute and here's a list of a few celebrities who've got the 'One Direction' bug as well.

Demi Lovato would hit up the number one spot having announced her crush on "One Direction's'" Niall Horan. The 18-year old People's Choice Awards winner admitted in a web chat she's a 'Directioner' plus spilling the beans on which her crush is among the five cuties.

"He's so adorable," shared Lovato.

Spotted at the Nickelodeon Kid's Choice Awards just last Saturday was country crooner, Taylor Swift and Favorite Female Artist, Selena Gomez. The two teenage girls were happily dancing and singing along to One Direction's performance of "What Makes You Beautiful".

Also present during the KCAs was "VicTorious" star, Victoria Justice, who had nothing but good things to say about the British boy band.

"I think they're awesome ... They're supercool. They're super down to earth and I think they're really talented...The fact that they're from the U.K. and have those accents, it's very appealing to a lot of people and they're all supercute guys," said Victoria.

Though their performance on stage of the KCAs was thanks to Nickelodeon, One Direction also appeared in one of Nicks' very own shows - iCarly. The five charming singers appeared in one episode of Miranda Cosgrove's show where she too shared her thoughts on the group's acting and singing abilities.

"It was really fun having One Direction on iCarly. I love having musical guests on the show. They sang their song 'What Makes You Beautiful.' It was all of our first times meeting these guys, and they were really nice. It was their first time acting. They did a good job," said Miranda.

Jennette McCurdy who plays Miranda's obnoxious and playful best friend on iCarly shared her experience as well on having the boys on set.

"Great! They are sweet, easy-going, and fun dudes," said Jennette.

A few other Celebrity "Directioners" also include the lovely Ariana Grande, Katherine Schwarzenneger, Katy Perry and Kim Kardashian. With their popularity still rising up the charts, expect a few more celebrities to get hooked on these five charming and cute vocalists.