Dr. Phil gets a special birthday gift: a grandson!

Jay and Erica McGraw © Jesse Grant/WireImage

Dr. Phil celebrated his 61st birthday on Thursday and this year his birthday was extra special. His grandson arrived!

Dr. Phil's son Jay McGraw, exectutive producer of The Doctors, and his wife Erica, a former Playboy Playmate - she and her sisters Nicola and Jaclyn are identical triplets and posed for Playboy together -, welcomed son London Philip on September 1st. The little boy weighed in at 7 lbs., 3 oz. Jay, 31, and Erica, 33, are also parents to 17-month old daughter Avery Elizabeth.

Dr. Phil tweeted about the special birthday delivery, "What a Bday! London Philip McGraw arrived!! Mtr [Mother] & baby doing fine. They BARELY made it to the hospital in time! ... We are so blessed." Dr. Phil's wife Robin tweeted as well, "ERICA MCGRAW IS MY HERO! She barely made it to the hospital n time ... had London Philip w/o epidural!! Wow! She is fierce!! Life is fabulous!!"

Jay and Erica got engaged on August 26th, 2005 and they were married on August 12th, 2006.