Las Vegas Seasons 1-5 DVD Boxset Is Rachel Bilson going to be the Mother?

The O.C. alum has booked a guest spot on the 100th episode of
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"Ted will also get as close to meeting the mom as he's ever before," creator Carter Bays told TVGuide.com of the milestone episode. "I don't want to give it away, but he gets so tantalizingly close, it's ridiculous."
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The Mentalist DVD Box set But let's not get too ahead of ourselves here. Both Bilson's rep and a show rep tell TVGuide.com the gig is just a one-episode guest spot, not a recurring role, like, say Sarah Chalke's was.

The Office Season 5 DVD Box setBilson's casting was first reported by Entertainment Weekly's Michael Ausiello.

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