"Fifty Shades Of Grey" cast member Rita Ora was dubbed as "naughtier" than former "The Voice UK" judges Kylie Minogue & Jessie J. Calvin Harris' ex girlfriend, meanwhile, spent her New Year's Eve celebration alongside Katy Perry for a series of performance.

The 24-year-old British songstress was named as the most controversial female coach of the BBC1 reality talent show, The Daily Mail said in a report.

"She's naughtier than Kylie or Jessie J!," Rita Ora's fellow coach and Kaiser Chiefs frontman Ricky Wilson claimed.

But "Fifty Shades of Grey" cast member Rita Ora told The Sun that she is not doing anything "crazy naughty."

"I like to take advantage of the fact I am the only female. I don't do anything crazy naughty, I just try to be spontaneous," she said.

While reports claim that Calvin Harris' ex girlfriend has been flirting with male contestants of the reality show, the "Fifty Shades of Grey" actress was quick to defend herself saying she is just being friendly.

"We usually get accused of flirting when we are being friendly or laughing at a joke. I just have fun, that's all I do. I'm 24. I just enjoy it," she said.

Rita Ora recently joined as judge of "The Voice UK" alongside Sir Tom Jones and will.i.am.

Meanwhile, the "How We Do" singer spent the New Year's Eve with a series of performance together with Katy Perry at the Top of the Standard.

Before the clock hit 2015, Calvin Harris' ex girlfriend took the center stage to perform Iggy Azalea's "Fancy."

"Fifty Shades of Grey" cast member Rita Ora also performed the chart-topping hit "Black Widow," which was co-written by Katy Perry.

The "Roar" singer, meanwhile, repotedly rocked a stunning sequined Givenchy dress during the gig, according to Vogue.

As for new year's resolution, Rita Ora said, "No, I'll think about it when I wake up with a hangover."