Lady Gaga, Justin Bieber, and David Beckham are among the guests who will appear on the upcoming Friends reunion special.

The celebrity guestlist features both new and returning stars, including Elliot Gould, Tom Selleck, and Lady Gaga as well as Pakistani female education activist Malala Yousafzai.

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HBO Max, which will air the one-off special in the US on May 27th, unveiled a teaser trailer for the show on Thursday.

Reese Witherspoon, who played Rachel's sister Jill in a recurring role on the show, will also make an appearance.

Series regulars James Michael Tyler, who played Gunther, and Maggie Wheeler, who played Janice, will also be make guest appearances.

Here is the full list:

David Beckham

Justin Bieber

BTS

James Corden

Cindy Crawford

Cara Delevingne

Elliott Gould

Larry Hankin

Kit Harington

Mindy Kaling

Lady Gaga

Thomas Lennon

Christina Pickles

James Michael Tyler

Tom Selleck

Maggie Wheeler

Reese Witherspoon

Malala Yousafzai

Friends: The Reunion premieres on HBO Max the US on May 27th. An Irish air date is yet to be announced.