'The Hangover Part ll' trailer: So long Carlos, hello monkey!

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"The wolfpack is back."

So reads the teaser trailer for the highly anticipated sequel to 2009's smash hit "The Hangover," simply titled "The Hangover Part ll." Bradley Cooper, Ed Helms and Zach Galifianakis are back as Phil, Stu and Alan... but where's Justin Bartha's Doug? Here's hoping the boys didn't lose him in Bangkok before Stu's wedding.

The trailer doesn't reveal much except that instead of finding a baby named Carlos, the pack's fourth member seems to be a monkey. We can deal with that. We also see Alan's hair has been shaved off and Stu seems to have gotten a tattoo in honor of the first movie's guest star Mike Tyson. Phil continues to look well-coiffed.

Also? Kudos for the song choice: Jay-Z's "Reminder," which works perfectly for the long shot of the pack walking down the street looking like bad*sses. "This is kind of nice isn't it?" Alan asks. "The three of us back together again." We couldn't agree more, Alan. We couldn't agree more.

"The Hangover Part 11" hits theaters May 26, 2011.

Photo/Video credit: Warner Bros.