By peoplestaff225
Updated April 21, 2009 05:00 PM

Check out mom’s markers! Stella Doreen McDermott, 10 months, enjoys her prime seat — on the table top! — during Tori Spelling‘s Mommywood signing at a Los Angeles Barnes and Noble on Monday evening.

Tori, 35, and husband Dean McDermott are also parents to son Liam Aaron, 2.

Click below for a second photo of the pair!