Harry Styles, Taylor Swift's ex-boyfriend, is the subject of dueling dating rumors. Harry Styles and Katy Perry dating rumors have been swirling since the pair was spotted together not long before Taylor Swift Katy Perry feud talk began. But the One Direction singer was also spotted with Daniella Monet.

Harry Styles and Daniella Monet were seen at a VIP Coldplay concert at LA's Ace Hotel sparking speculating that  Harry Styles and Daniella Monet are dating.  Daniella Monet used to star on Nickelodeon's sitcom "Victorious." Styles wrote a song for Ariana Grande, who just left "Sam & Cat" which she starred on with iCarly star Jennette McCurdy. Grande and Ariana starred on Victorious together, sparking rumors that Ariana might have set Harry up with Daniella.

Harry and Katy Perry, According to Hollywood Life, recently went to dinner together at Nobu in Malibu.

A witness told Hollywood Life "Yes, Katy Perry and Harry Styles had dinner together at Nobu in Malibu late Thursday night. Just the two of them. They seemed happy, smiling and enjoying their dinner and conversation. They arrived separately and left separately. They looked like good friends and did a lot of talking."

Daniella Monet and One Direction's Harry Styles arrived at the Coldplay concert in a low-key fashion, trying to keep it inconspicuous, but the couple were photographed by the paparazzi while they were on their way out of Los Angeles' Ace Hotel.

Also at the concert was former flames Zoë Kravitz and Chris Pine, according to E! News, who quoted a source saying "Zoë and Chris have known each other for a few years. They get a long great and are good friends. "Zoë has always been friends with her exes. She's one of those girls that has a lot of guy friends and even if there's been a past romance...she'd go back to being just friends. But knowing Zoë, and Chris being as hot as he is, anything is bound to happen."

According to Yahoo! Celebrity UK, if you look at Daniella's Instagram page, it looks like she is already dating.

According to media reports, Monet has been dating Andrew Gardner since 2011. Daniella posted a picture on Instagram to celebrate their three-year anniversary, amidst Monet's pictures of food and posts of healthy recipes.

Daniella Money is on record as being a huge One Direction fan. Daniella Monet took to Twitter to post photos from a concert One Direction did in Los Angeles. One of the picture even caught Harry looking right at her.

Daniella Monet played the character Trina Vega on the Nickelodeon hit tween show Victorious. Monet also worked on the films "A Fairly Odd Movie: Grow Up, Timmy Turner!" and "A Fairly Odd Christmas."