Gillian Anderson, Mark Griffiths Split: Longtime Couple Call It Quits

08/08/2012 07:56 am ET | Updated Oct 08, 2012

Gillian Anderson is single again.

The former X-Files star, 43, has parted ways with Mark Griffiths, her partner since 2006, her rep confirms to PEOPLE.

Read more on www.people.com

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