Ed Westwick had some "wild" get-togethers with Chace Crawford when they lived together.
Both handsome actors starred in Gossip Girl, which finished with its sixth season last year.
When the show first started the boys lived together, which made for a great excuse to have people over.
"Yes, in the first year we had an apartment in New York, with a lot of wild parties, of course - mostly too hazy to remember," he grinned to the British edition of InStyle.
Gossip Girl started in 2007 and also starred Leighton Meester, Penn Badgley, Taylor Momsen and Blake Lively.
Ed, 26, misses the good times he shared with his co-stars.
"[I miss] the cast and crew," he admitted.
"Filming every day for nine months a year, for six years, you form close bonds with people very quickly."
Luckily the British star has been managing to keep himself busy.
He stars as Tybalt in Romeo and Juliet, which also features Douglas Booth and Hailee Steinfeld as the title characters.
"I desperately wanted to be involved," Ed gushed.
"I've always found Tybalt intriguing, and it came together with such a great cast - what's not to love?"
He also has plenty of other projects in the pipeline for 2014.
"I have a ridiculous and hilarious film called Kitchen Sink," he grinned.
"I don't know how you'd describe it... a Halloween comedy? It's about humans, zombies and vampires who coexist but are attacked by aliens. Vanessa Hudgens is in it, who is an absolute sweetheart. I've also decided I'm going to start playing the saxophone this year. I've been listening to George Michael's Careless Whisper a lot."
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