And it turns out she's no closet fan of One Direction either, admitting to loving the group since she was 14.The singer recently revealed to The Daily Telegraph she does have a soft spot for Niall.'Niall is so sweet and we are on every radio show together in America.''I went to see them (One Direction) four nights at the Staples Centre with my friends,' the sister of megastar Miley Cyrus said.I want to introduce all the One Direction guys to the United States, but especially Niall because he hasn't been here that much.I want to make sure he — or any of them really, I just don't know the other guys as well — has someone to hang out with in the States.She arrived in Sydney on Wednesday to promote her new single, I'm Stuck.Her profile rising in recent months, the brunette's last single Make Me (Cry) made an impact on the charts.The catchy track, which features British artist Labrinth, has been certified gold by the Australian Recording Industry Association.It has also been certified platinum in America, where it peaked at No.

And now Noah Cyrus, 17, has denied any romantic ties between herself and former One Direction member, Niall Horan, who will appear alongside the pop star on the show.

But Lovato's not the only Disney star who's been linked to the 1D stud.

Debby Ryan recently dismissed speculation that she was dating Horan, too.

Speaking with KIIS FM's Kyle and Jackie O on Friday, the Make Me (Cry) singer confessed she 'didn't know' if she had a boyfriend but told the hosts she wasn't dating the Irish hearthrob.

But the relationship status of the star remains unknown after she remained coy when asked if she is currently seeing someone.