Sarah Palin's daughter Bristol is joining 'Teen Mom OG' (Exclusive)

ET has learned that Bristol Palin, daughter of former Alaska Governor Sarah Palin, has been tapped to join the upcoming 8th season of Teen Mom OG.

A source close to production confirms to ET that the 27-year-old reality TV personality has signed on as a regular on the show.

As of now, she’ll be joining Maci Bookout, Catelynn Lowell and Amber Portwood and their significant others on the hit MTV show. Palin will presumably be joined on the show by her husband Dakota Meyer, as well as her three children -- Tripp Johnston, Sailor Meyer and Atlee Meyer, ages 9, 2 and 1, respectively.

MacKenzie McKee from season 3 is also reportedly rejoining the show following Farrah Abraham's departure, according to multiple sources.

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The upcoming season promises more revelations and drama as Palin’s veteran co-star Portwood just welcomed her son James in May with boyfriend Andrew Glennon.

#breakingnews. Our son has arrived!!!” the ecstatic 27-year-old mother wrote on a photo of her and Glennon.

As fans know, this isn’t Palin’s first TV gig. She’s previously appeared on Dancing with the Stars, Celebrity Wife Swap and Good Morning America. Not to mention her own short-lived Lifetime show Bristol Palin: Life’s a Tripp in 2012.

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