ENTERTAINMENT
01/10/2009 05:12 am ET Updated May 25, 2011

Taylor Hanson Welcomes Baby #4

Make way for the newest Hanson!

Taylor, the middle brother of the rock trio Hanson, and his wife Natalie welcomed a son, Viggo Moriah, on Tuesday in Tulsa, Okla., they tell PEOPLE exclusively.

"Viggo is doing great. He is the perfect early Christmas gift," the couple says of their 8 lb., 5 oz. arrival. "We look forward to being home to enjoy the holidays with him and his very excited brothers and sister."

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