The Insider.com

After two high-profile pregnancies, Tori and Dean decide it's for the best to wait as long as they can before revealing they're expecting baby number three, but it's not an easy task.

• November 15, 2011Another Baby for Tori Spelling & Dean McDermott?
• August 28, 2011British Heiress Petra Ecclestone Gets Married
• November 17, 2011Dean McDermott Tweets pic of Tori Spellings boob
• December 20, 2011Real Housewives of Atlanta's NeNe Leakes Will Guest Star on 'Glee'
• December 19, 2011'Punk'd' To Return To TV in 2012
• December 19, 2011'Kendall's Sweet 16' Clips

Despite their best efforts to conceal T's ever-growing bump from paparazzi, the Hollywood mommy and daddy come to agree its finally time to share the impending birth of Hattie Margaret McDermott with the world.

Don't miss all the action tonight on Oxygen's Tori & Dean: Home Sweet Hollywood.