Twi-hards and Robsten fans have hoped for Robert Pattinson and Kristen Stewart reunion for a long time, but it has never happened as anticipated on several occasions. Instead, Robert Pattinson was spotted with a "mystery" girl while he was attending Katy Perry's concert, according to the latest update. Keep reading to find out the details.

On May 27, 2014, the British actor was in attendance at Katy Perry's concert held at The O2, London, according to Hollywood Life. His presence at the "Roar" hitmaker's concert only added fuel to dating rumours about Robert Pattinson and Katy Perry that spread like wildfire in April.

However, "Twilight" actor was just there for "fun," according to the Web site. It is noted that on several occasions the actor was pictured "with his arm around" the unidentified girl.

He was reportedly photographed by several fans. Robert Pattinson was pictured by fans enjoying songstress' concert and fans are making sure others see it too. Video and photos of Robert Pattinson and his friend can be seen on different sites. It is also available in fan site Robsessedpattinson.com. The grainy video shows Robert Pattinson standing close to his mystery girl with his arm casually wrapped around her. Dressed casually, he sported a baseball cap and white t-shirt for the concert.

It is not yet confirmed if Robert Pattinson is dating another girl or even Katy Perry. Katy Perry and Robert Pattinson are "best of friends with strong sexual chemistry," according to The Hollywood Gossip.

"They care a lot about each other but have always been careful not to upset Kristen," said the report.

Meanwhile, in his interview with The Hollywood Reporter, the 27-year-old actor talked about his life. Not revealing much about his relationship with his ex Kristen Stewart, the actor confirmed that he is still in contact with her.

Ever since Pattinson broke up with Kristen Stewart, the actor has never been reported to be in a committed relationship. However, he has been romantically linked with several tinsel town beauties. Besides Katy Perry, he was linked with Sean Penn's daughter Dylan Penn, Riley Keough and most recently with 22-year-old model Imogen Kerr. Robert Pattinson was also spotted dining out with "Edge of Tomorrow" actress Emily Blunt in London after returning from Cannes Film Festival. What do you think? Is Robert Pattinson dating Katy Perry or this new girl? Or is he not dating at all?

For more updates on "Twilight" co-stars Robert Pattinson and Kristen Stewart, read below:

Robert Pattinson Won't Spend Time with Kristen Stewart in Cannes: 'Twilight' Actor Spotted Partying in France

Move Over Kristen Stewart! Robert Pattinson is Enamoured with Australian Singer Kylie Minogue, Spotted Sharing a Kiss with Her at Cannes

Robert Pattinson and Kristen Stewart to Meet Up and Rent a Villa Together During Cannes 2014? RPatz 'Still Carrying a Torch' for KStew?