For a long time, fans and media have been speculating over "Twilight" co-stars Kristen Stewart and Robert Pattinson's reunion. But it appears like the Hollywood heartthrob is over his ex-flame and finding comfort in company of his old friend and songstress Katy Perry. The latest update is that the two of them maybe hooking up already and are now reportedly "friends with benefits." Read on to find out details.

Robert Pattinson and "Roar" singer Katy Perry ignited rumors of a hook-up when their old drunken karaoke video emerged. While the two of them sang a duet of Boyz II Men's "I'll Make Love to You," Katy Perry swayed in RPatz lap, the video showed up. The video led to a frenzy of speculation, arousing questions about their relationship status. Based upon The Stir's recent report, fans of Hollywood celebrities can be assured that there is "some confirmation" that they could be more than just "good friends."

A source reportedly has confirmed that Robert Pattinson and Katy Perry, who are old pals, have now "taken their friendship to the next level."

Katy Perry and RPatz "have never stopped being in touch," according to the source, as quoted by The Stir. She reportedly finds him "sexy" and "funny."

According to the report, RPatz and Katy Perry started "texting" in January "when things started going bad between Katy [Perry] and John [Mayer]." Perry and John dated for 18 months before they broke up earlier in 2014.

Robert Pattinson has "been a real shoulder for her" in her difficult phase.

"Since he's been single, though, the texts have hotted up -- she loves drunk texting him and they're always flirty," revealed the source.

There is more to their secret "hook-up." Robert Pattinson and Katy Perry are reportedly, planning to meet up in Canada. While Robert Pattinson is filming his upcoming film "Life" in Toronto, they have "planned for her to make a secret trip to see him" there.

"They've always kept their hook-ups discreet. They're just friends -- with benefits -- at the moment," disclosed the source.

This recent disclosure by an unnamed source seems to confirm Robert Pattinson and Katy Perry's burgeoning yet secret romance. Meanwhile, it is reported Kristen Stewart's birthday wish and deepest desire is to celebrate her 24th birthday with her ex and "Twilight" co-star Robert Pattinson, according to Hollywood Life. Even though both of them are no longer dating each other, they are still very close friends. And if RPatz attends her birthday party, it would be the "ultimate gift" for KStew.

So what do you think of Robert Pattinson and Katy Perry's rumored romance? And do you think Kristen Stewart has really moved on? Let us know your thoughts in comments section below.

For more news on 'Twilight' actors Robert Pattinson and Kristen Stewart, read below:

Robert Pattinson, Kristen Stewart 'Still Crazy About Each Other': KStew Sends Cute Selfies to RPatz in Return of Valentine's Day Flowers-Report

Attention Robert Pattinson! Rupert Sanders Still in Love with Kristen Stewart, Hopes for a Future with Her?

Robert Pattinson and Kristen Stewart Failed Reunion on New Year's Eve, Actor Instead Spotted on Dinner Date With Mystery Girl