The Paddy's Pub gang returns to FX next month when It's Always Sunny in Philadelphia debuts the Season 8 Premiere Thursday, October 11 at 10 PM ET. Today, we have word that hip-hop mogul and actor Sean Combs will be guest starring in an upcoming episode.

No details were given regarding his character, and it isn't clear when his episode will air. Sean Combs started shooting his episode today, Monday, September 17th, in Los Angeles. Although he's best known as a music producer and rapper, Sean Combs (a.k.a. Diddy) also appeared in movies such as 2010's Get Him to the Greek and Monster's Ball. He has also guest-starred in episodes of CSI: Miami and Hawaii Five-0.

It's Always Sunny in Philadelphia kicks off Season 8 with Charlie (Charlie Day) finally meets his biological father. He soon comes to learn that his dad is dating the waitress (Mary Elizabeth Ellis), whom he has pined over since the series began.

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