Robert Pattinson Parties With Rose McGowan, Introduces New Girlfriend Imogen Ker [Instagram PHOTOS]: Kristen Stewart 'Relationship' Remains Mystery

Apparently, vampires and witches do get along!

"Twilight" heartthrob Robert Pattinson was recently spotted partying with former "Charmed" beauty, Rose McGowan. The stunning 40-year-old actress posted this viral photo on Instagram just a few days ago:

rosemcgowan: "Devilish times @njarecki birthday dinner." 

Notice 28-year-old Pattinson, slyly smiling in the lower right corner of the pic!

The group of pals were celebrating movie director/producer Nicholas Jarecki's 35th birthday. Looks like they had a casually fun time!

According to the Daily Mail, R-Patz also brought along rumored girlfriend, Imogen Ker. She's a stunning 22-year-old British model now based in LA. No photos of the "new couple" canoodling at the event have yet to pop-up online.

The dinner bash took place at Hollywood's popular No Vacancy. Photographer Jason Lee Parry also shared this black-and-white snapshot of "The Boys," including club owners Mark and Jonnie Houston -

jasonleeparry: "Good times with the boys @mrrobertpattinson @houstonhospitality for there 1 year anniversary at#novacancy."

llll Both Pattinson and McGowan are very busy with their own separate movie careers, so this was probably a nice little break from all of the Hollywood mayhem.

And was again, Kristen Stewart was nowhere in sight. Her relationship with Pattinson still remains a mystery - do Mstars readers think the ex-lovers still remain good friends? Maybe not now, considering a new gorgeous blonde is currently in the picture... Ker's also good friends with Pattinson's former co-star, Dakota Fanning:

Sorry Robsten fans!